New Web APIs Since 2016

A comprehensive list of new Web APIs by year of general availability across major browsers.

This document is automatically generated weekly.

2025

CaretPosition

CaretPosition (Chrome 128, Firefox 20, Safari 18.4)
CaretPosition.getClientRect (Chrome 128, Firefox 23, Safari 18.4)
CaretPosition.offset (Chrome 128, Firefox 20, Safari 18.4)
CaretPosition.offsetNode (Chrome 128, Firefox 20, Safari 18.4)

ClipboardItem

supports() static method (Chrome 121, Firefox 127, Safari 18.4)

CookieChangeEvent

CookieChangeEvent (Chrome 87, Firefox 140, Safari 18.4)
CookieChangeEvent.changed (Chrome 87, Firefox 140, Safari 18.4)
CookieChangeEvent() constructor (Chrome 87, Firefox 140, Safari 18.4)
CookieChangeEvent.deleted (Chrome 87, Firefox 140, Safari 18.4)

CookieStore

CookieStore (Chrome 87, Firefox 140, Safari 18.4)
change event (Chrome 87, Firefox 140, Safari 18.4)
CookieStore.delete (Chrome 87, Firefox 140, Safari 18.4)
CookieStore.get (Chrome 87, Firefox 140, Safari 18.4)
name in return value (Chrome 87, Firefox 140, Safari 18.4)
value in return value (Chrome 87, Firefox 140, Safari 18.4)
CookieStore.getAll (Chrome 87, Firefox 140, Safari 18.4)
CookieStore.set (Chrome 87, Firefox 140, Safari 18.4)

CredentialsContainer

largeBlob extension (Chrome 113, Firefox 139, Safari 17)

CSPViolationReportBody

CSPViolationReportBody (Chrome 74, Firefox 130, Safari 18.4)

ElementInternals

ElementInternals.ariaActiveDescendantElement (Chrome 135, Firefox 136, Safari 16.4)
ElementInternals.ariaControlsElements (Chrome 135, Firefox 136, Safari 16.4)
ElementInternals.ariaDescribedByElements (Chrome 135, Firefox 136, Safari 16.4)
ElementInternals.ariaDetailsElements (Chrome 135, Firefox 136, Safari 16.4)
ElementInternals.ariaErrorMessageElements (Chrome 135, Firefox 136, Safari 16.4)
ElementInternals.ariaFlowToElements (Chrome 135, Firefox 136, Safari 16.4)
ElementInternals.ariaLabelledByElements (Chrome 135, Firefox 136, Safari 16.4)

ExtendableCookieChangeEvent

ExtendableCookieChangeEvent (Chrome 87, Firefox 140, Safari 18.4)
ExtendableCookieChangeEvent.changed (Chrome 87, Firefox 140, Safari 18.4)
ExtendableCookieChangeEvent.deleted (Chrome 87, Firefox 140, Safari 18.4)
ExtendableCookieChangeEvent() constructor (Chrome 87, Firefox 140, Safari 18.4)

FragmentDirective

FragmentDirective (Chrome 81, Firefox 131, Safari 18.4)

GPU

GPU (Chrome 113, Firefox 141, Safari 26)
GPU.getPreferredCanvasFormat (Chrome 113, Firefox 141, Safari 26)
GPU.requestAdapter (Chrome 113, Firefox 141, Safari 26)
GPU.wgslLanguageFeatures (Chrome 115, Firefox 141, Safari 26)

GPUAdapter

GPUAdapter (Chrome 113, Firefox 141, Safari 26)
GPUAdapter.features (Chrome 113, Firefox 141, Safari 26)
GPUAdapter.info (Chrome 127, Firefox 141, Safari 26)
GPUAdapter.isFallbackAdapter (Chrome 113, Firefox 141, Safari 26)
GPUAdapter.limits (Chrome 113, Firefox 141, Safari 26)
GPUAdapter.requestDevice (Chrome 113, Firefox 141, Safari 26)

GPUAdapterInfo

GPUAdapterInfo (Chrome 113, Firefox 141, Safari 26)
GPUAdapterInfo.architecture (Chrome 113, Firefox 141, Safari 26)
GPUAdapterInfo.description (Chrome 113, Firefox 141, Safari 26)
GPUAdapterInfo.device (Chrome 113, Firefox 141, Safari 26)
GPUAdapterInfo.vendor (Chrome 113, Firefox 141, Safari 26)

GPUBindGroup

GPUBindGroup (Chrome 113, Firefox 141, Safari 26)
GPUBindGroup.label (Chrome 113, Firefox 141, Safari 26)

GPUBindGroupLayout

GPUBindGroupLayout (Chrome 113, Firefox 141, Safari 26)
GPUBindGroupLayout.label (Chrome 113, Firefox 141, Safari 26)

GPUBuffer

GPUBuffer (Chrome 113, Firefox 141, Safari 26)
GPUBuffer.destroy (Chrome 113, Firefox 141, Safari 26)
GPUBuffer.getMappedRange (Chrome 113, Firefox 141, Safari 26)
GPUBuffer.label (Chrome 113, Firefox 141, Safari 26)
GPUBuffer.mapAsync (Chrome 113, Firefox 141, Safari 26)
GPUBuffer.mapState (Chrome 113, Firefox 141, Safari 26)
GPUBuffer.size (Chrome 113, Firefox 141, Safari 26)
GPUBuffer.unmap (Chrome 113, Firefox 141, Safari 26)
GPUBuffer.usage (Chrome 113, Firefox 141, Safari 26)

GPUCanvasContext

GPUCanvasContext (Chrome 113, Firefox 141, Safari 26)
GPUCanvasContext.canvas (Chrome 113, Firefox 141, Safari 26)
GPUCanvasContext.configure (Chrome 113, Firefox 141, Safari 26)
GPUCanvasContext.getConfiguration (Chrome 131, Firefox 141, Safari 26)
GPUCanvasContext.getCurrentTexture (Chrome 113, Firefox 141, Safari 26)
GPUCanvasContext.unconfigure (Chrome 113, Firefox 141, Safari 26)

GPUCommandBuffer

GPUCommandBuffer (Chrome 113, Firefox 141, Safari 26)
GPUCommandBuffer.label (Chrome 113, Firefox 141, Safari 26)

GPUCommandEncoder

GPUCommandEncoder (Chrome 113, Firefox 141, Safari 26)
GPUCommandEncoder.beginComputePass (Chrome 113, Firefox 141, Safari 26)
GPUCommandEncoder.beginRenderPass (Chrome 113, Firefox 141, Safari 26)
GPUCommandEncoder.clearBuffer (Chrome 113, Firefox 141, Safari 26)
GPUCommandEncoder.copyBufferToBuffer (Chrome 113, Firefox 141, Safari 26)
GPUCommandEncoder.copyBufferToTexture (Chrome 113, Firefox 141, Safari 26)
GPUCommandEncoder.copyTextureToBuffer (Chrome 113, Firefox 141, Safari 26)
GPUCommandEncoder.copyTextureToTexture (Chrome 113, Firefox 141, Safari 26)
GPUCommandEncoder.finish (Chrome 113, Firefox 141, Safari 26)
GPUCommandEncoder.insertDebugMarker (Chrome 113, Firefox 141, Safari 26)
GPUCommandEncoder.label (Chrome 113, Firefox 141, Safari 26)
GPUCommandEncoder.popDebugGroup (Chrome 113, Firefox 141, Safari 26)
GPUCommandEncoder.pushDebugGroup (Chrome 113, Firefox 141, Safari 26)
GPUCommandEncoder.resolveQuerySet (Chrome 113, Firefox 141, Safari 26)

GPUCompilationInfo

GPUCompilationInfo (Chrome 113, Firefox 141, Safari 26)
GPUCompilationInfo.messages (Chrome 113, Firefox 141, Safari 26)

GPUCompilationMessage

GPUCompilationMessage (Chrome 113, Firefox 141, Safari 26)
GPUCompilationMessage.length (Chrome 113, Firefox 141, Safari 26)
GPUCompilationMessage.lineNum (Chrome 113, Firefox 141, Safari 26)
GPUCompilationMessage.linePos (Chrome 113, Firefox 141, Safari 26)
GPUCompilationMessage.message (Chrome 113, Firefox 141, Safari 26)
GPUCompilationMessage.offset (Chrome 113, Firefox 141, Safari 26)
GPUCompilationMessage.type (Chrome 113, Firefox 141, Safari 26)

GPUComputePassEncoder

GPUComputePassEncoder (Chrome 113, Firefox 141, Safari 26)
GPUComputePassEncoder.dispatchWorkgroups (Chrome 113, Firefox 141, Safari 26)
GPUComputePassEncoder.dispatchWorkgroupsIndirect (Chrome 113, Firefox 141, Safari 26)
GPUComputePassEncoder.end (Chrome 113, Firefox 141, Safari 26)
GPUComputePassEncoder.insertDebugMarker (Chrome 113, Firefox 141, Safari 26)
GPUComputePassEncoder.label (Chrome 113, Firefox 141, Safari 26)
GPUComputePassEncoder.popDebugGroup (Chrome 113, Firefox 141, Safari 26)
GPUComputePassEncoder.pushDebugGroup (Chrome 113, Firefox 141, Safari 26)
GPUComputePassEncoder.setBindGroup (Chrome 113, Firefox 141, Safari 26)
GPUComputePassEncoder.setPipeline (Chrome 113, Firefox 141, Safari 26)

GPUComputePipeline

GPUComputePipeline (Chrome 113, Firefox 141, Safari 26)
GPUComputePipeline.getBindGroupLayout (Chrome 113, Firefox 141, Safari 26)
GPUComputePipeline.label (Chrome 113, Firefox 141, Safari 26)

GPUDevice

GPUDevice (Chrome 113, Firefox 141, Safari 26)
GPUDevice.createBindGroup (Chrome 113, Firefox 141, Safari 26)
GPUDevice.createBindGroupLayout (Chrome 113, Firefox 141, Safari 26)
GPUDevice.createBuffer (Chrome 113, Firefox 141, Safari 26)
GPUDevice.createCommandEncoder (Chrome 113, Firefox 141, Safari 26)
GPUDevice.createComputePipeline (Chrome 113, Firefox 141, Safari 26)
GPUDevice.createComputePipelineAsync (Chrome 113, Firefox 141, Safari 26)
GPUDevice.createPipelineLayout (Chrome 113, Firefox 141, Safari 26)
GPUDevice.createQuerySet (Chrome 113, Firefox 141, Safari 26)
GPUDevice.createRenderBundleEncoder (Chrome 113, Firefox 141, Safari 26)
GPUDevice.createRenderPipeline (Chrome 113, Firefox 141, Safari 26)
GPUDevice.createRenderPipelineAsync (Chrome 113, Firefox 141, Safari 26)
GPUDevice.createSampler (Chrome 113, Firefox 141, Safari 26)
GPUDevice.createShaderModule (Chrome 113, Firefox 141, Safari 26)
GPUDevice.createTexture (Chrome 113, Firefox 141, Safari 26)
GPUDevice.destroy (Chrome 113, Firefox 141, Safari 26)
GPUDevice.features (Chrome 113, Firefox 141, Safari 26)
GPUDevice.importExternalTexture (Chrome 113, Firefox 141, Safari 26)
GPUDevice.label (Chrome 113, Firefox 141, Safari 26)
GPUDevice.limits (Chrome 113, Firefox 141, Safari 26)
GPUDevice.lost (Chrome 113, Firefox 141, Safari 26)
GPUDevice.popErrorScope (Chrome 113, Firefox 141, Safari 26)
GPUDevice.pushErrorScope (Chrome 113, Firefox 141, Safari 26)
GPUDevice.queue (Chrome 113, Firefox 141, Safari 26)

GPUDeviceLostInfo

GPUDeviceLostInfo (Chrome 113, Firefox 141, Safari 26)
GPUDeviceLostInfo.message (Chrome 113, Firefox 141, Safari 26)
GPUDeviceLostInfo.reason (Chrome 113, Firefox 141, Safari 26)

GPUExternalTexture

GPUExternalTexture (Chrome 113, Firefox 141, Safari 26)
GPUExternalTexture.label (Chrome 113, Firefox 141, Safari 26)

GPUInternalError

GPUInternalError (Chrome 113, Firefox 141, Safari 26)
GPUInternalError() constructor (Chrome 113, Firefox 141, Safari 26)

GPUOutOfMemoryError

GPUOutOfMemoryError (Chrome 113, Firefox 141, Safari 26)
GPUOutOfMemoryError() constructor (Chrome 113, Firefox 141, Safari 26)

GPUPipelineError

GPUPipelineError (Chrome 113, Firefox 141, Safari 26)
GPUPipelineError() constructor (Chrome 113, Firefox 141, Safari 26)
message parameter is optional (Chrome 113, Firefox 141, Safari 26)
GPUPipelineError.reason (Chrome 113, Firefox 141, Safari 26)

GPUPipelineLayout

GPUPipelineLayout (Chrome 113, Firefox 141, Safari 26)
GPUPipelineLayout.label (Chrome 113, Firefox 141, Safari 26)

GPUQuerySet

GPUQuerySet (Chrome 113, Firefox 141, Safari 26)
GPUQuerySet.count (Chrome 113, Firefox 141, Safari 26)
GPUQuerySet.destroy (Chrome 113, Firefox 141, Safari 26)
GPUQuerySet.label (Chrome 113, Firefox 141, Safari 26)
GPUQuerySet.type (Chrome 113, Firefox 141, Safari 26)

GPUQueue

GPUQueue (Chrome 113, Firefox 141, Safari 26)
GPUQueue.copyExternalImageToTexture (Chrome 113, Firefox 141, Safari 26)
GPUQueue.label (Chrome 113, Firefox 141, Safari 26)
GPUQueue.submit (Chrome 113, Firefox 141, Safari 26)
GPUQueue.writeBuffer (Chrome 113, Firefox 141, Safari 26)
GPUQueue.writeTexture (Chrome 113, Firefox 141, Safari 26)

GPURenderBundle

GPURenderBundle (Chrome 113, Firefox 141, Safari 26)
GPURenderBundle.label (Chrome 113, Firefox 141, Safari 26)

GPURenderBundleEncoder

GPURenderBundleEncoder (Chrome 113, Firefox 141, Safari 26)
GPURenderBundleEncoder.draw (Chrome 113, Firefox 141, Safari 26)
GPURenderBundleEncoder.drawIndexed (Chrome 113, Firefox 141, Safari 26)
GPURenderBundleEncoder.drawIndexedIndirect (Chrome 113, Firefox 141, Safari 26)
GPURenderBundleEncoder.drawIndirect (Chrome 113, Firefox 141, Safari 26)
GPURenderBundleEncoder.finish (Chrome 113, Firefox 141, Safari 26)
GPURenderBundleEncoder.insertDebugMarker (Chrome 113, Firefox 141, Safari 26)
GPURenderBundleEncoder.label (Chrome 113, Firefox 141, Safari 26)
GPURenderBundleEncoder.popDebugGroup (Chrome 113, Firefox 141, Safari 26)
GPURenderBundleEncoder.pushDebugGroup (Chrome 113, Firefox 141, Safari 26)
GPURenderBundleEncoder.setBindGroup (Chrome 113, Firefox 141, Safari 26)
GPURenderBundleEncoder.setIndexBuffer (Chrome 113, Firefox 141, Safari 26)
GPURenderBundleEncoder.setPipeline (Chrome 113, Firefox 141, Safari 26)
GPURenderBundleEncoder.setVertexBuffer (Chrome 113, Firefox 141, Safari 26)

GPURenderPassEncoder

GPURenderPassEncoder (Chrome 113, Firefox 141, Safari 26)
GPURenderPassEncoder.beginOcclusionQuery (Chrome 113, Firefox 141, Safari 26)
GPURenderPassEncoder.draw (Chrome 113, Firefox 141, Safari 26)
GPURenderPassEncoder.drawIndexed (Chrome 113, Firefox 141, Safari 26)
GPURenderPassEncoder.drawIndexedIndirect (Chrome 113, Firefox 141, Safari 26)
GPURenderPassEncoder.drawIndirect (Chrome 113, Firefox 141, Safari 26)
GPURenderPassEncoder.end (Chrome 113, Firefox 141, Safari 26)
GPURenderPassEncoder.endOcclusionQuery (Chrome 113, Firefox 141, Safari 26)
GPURenderPassEncoder.executeBundles (Chrome 113, Firefox 141, Safari 26)
GPURenderPassEncoder.insertDebugMarker (Chrome 113, Firefox 141, Safari 26)
GPURenderPassEncoder.label (Chrome 113, Firefox 141, Safari 26)
GPURenderPassEncoder.popDebugGroup (Chrome 113, Firefox 141, Safari 26)
GPURenderPassEncoder.pushDebugGroup (Chrome 113, Firefox 141, Safari 26)
GPURenderPassEncoder.setBindGroup (Chrome 113, Firefox 141, Safari 26)
GPURenderPassEncoder.setBlendConstant (Chrome 113, Firefox 141, Safari 26)
GPURenderPassEncoder.setIndexBuffer (Chrome 113, Firefox 141, Safari 26)
GPURenderPassEncoder.setPipeline (Chrome 113, Firefox 141, Safari 26)
GPURenderPassEncoder.setScissorRect (Chrome 113, Firefox 141, Safari 26)
GPURenderPassEncoder.setStencilReference (Chrome 113, Firefox 141, Safari 26)
GPURenderPassEncoder.setVertexBuffer (Chrome 113, Firefox 141, Safari 26)
GPURenderPassEncoder.setViewport (Chrome 113, Firefox 141, Safari 26)

GPURenderPipeline

GPURenderPipeline (Chrome 113, Firefox 141, Safari 26)
GPURenderPipeline.getBindGroupLayout (Chrome 113, Firefox 141, Safari 26)
GPURenderPipeline.label (Chrome 113, Firefox 141, Safari 26)

GPUSampler

GPUSampler (Chrome 113, Firefox 141, Safari 26)
GPUSampler.label (Chrome 113, Firefox 141, Safari 26)

GPUShaderModule

GPUShaderModule (Chrome 113, Firefox 141, Safari 26)
GPUShaderModule.getCompilationInfo (Chrome 113, Firefox 141, Safari 26)
GPUShaderModule.label (Chrome 113, Firefox 141, Safari 26)

GPUSupportedFeatures

GPUSupportedFeatures (Chrome 113, Firefox 141, Safari 26)
[Symbol.iterator] (Chrome 113, Firefox 141, Safari 26)
GPUSupportedFeatures.entries (Chrome 113, Firefox 141, Safari 26)
texture-compression-astc-sliced-3d feature (Chrome 139, Firefox 141, Safari 26)
texture-compression-bc-sliced-3d feature (Chrome 139, Firefox 141, Safari 26)
GPUSupportedFeatures.forEach (Chrome 113, Firefox 141, Safari 26)
GPUSupportedFeatures.has (Chrome 113, Firefox 141, Safari 26)
GPUSupportedFeatures.keys (Chrome 113, Firefox 141, Safari 26)
GPUSupportedFeatures.size (Chrome 113, Firefox 141, Safari 26)
GPUSupportedFeatures.values (Chrome 113, Firefox 141, Safari 26)

GPUSupportedLimits

GPUSupportedLimits (Chrome 113, Firefox 141, Safari 26)
GPUSupportedLimits.maxBindGroups (Chrome 113, Firefox 141, Safari 26)
GPUSupportedLimits.maxBindGroupsPlusVertexBuffers (Chrome 120, Firefox 141, Safari 26)
GPUSupportedLimits.maxBindingsPerBindGroup (Chrome 113, Firefox 141, Safari 26)
GPUSupportedLimits.maxBufferSize (Chrome 113, Firefox 141, Safari 26)
GPUSupportedLimits.maxColorAttachmentBytesPerSample (Chrome 113, Firefox 141, Safari 26)
GPUSupportedLimits.maxColorAttachments (Chrome 113, Firefox 141, Safari 26)
GPUSupportedLimits.maxComputeInvocationsPerWorkgroup (Chrome 113, Firefox 141, Safari 26)
GPUSupportedLimits.maxComputeWorkgroupSizeX (Chrome 113, Firefox 141, Safari 26)
GPUSupportedLimits.maxComputeWorkgroupSizeY (Chrome 113, Firefox 141, Safari 26)
GPUSupportedLimits.maxComputeWorkgroupSizeZ (Chrome 113, Firefox 141, Safari 26)
GPUSupportedLimits.maxComputeWorkgroupsPerDimension (Chrome 113, Firefox 141, Safari 26)
GPUSupportedLimits.maxComputeWorkgroupStorageSize (Chrome 113, Firefox 141, Safari 26)
GPUSupportedLimits.maxDynamicStorageBuffersPerPipelineLayout (Chrome 113, Firefox 141, Safari 26)
GPUSupportedLimits.maxDynamicUniformBuffersPerPipelineLayout (Chrome 113, Firefox 141, Safari 26)
GPUSupportedLimits.maxInterStageShaderVariables (Chrome 113, Firefox 141, Safari 26)
GPUSupportedLimits.maxSampledTexturesPerShaderStage (Chrome 113, Firefox 141, Safari 26)
GPUSupportedLimits.maxSamplersPerShaderStage (Chrome 113, Firefox 141, Safari 26)
GPUSupportedLimits.maxStorageBufferBindingSize (Chrome 113, Firefox 141, Safari 26)
GPUSupportedLimits.maxStorageBuffersPerShaderStage (Chrome 113, Firefox 141, Safari 26)
GPUSupportedLimits.maxStorageTexturesPerShaderStage (Chrome 113, Firefox 141, Safari 26)
GPUSupportedLimits.maxTextureArrayLayers (Chrome 113, Firefox 141, Safari 26)
GPUSupportedLimits.maxTextureDimension1D (Chrome 113, Firefox 141, Safari 26)
GPUSupportedLimits.maxTextureDimension2D (Chrome 113, Firefox 141, Safari 26)
GPUSupportedLimits.maxTextureDimension3D (Chrome 113, Firefox 141, Safari 26)
GPUSupportedLimits.maxUniformBufferBindingSize (Chrome 113, Firefox 141, Safari 26)
GPUSupportedLimits.maxUniformBuffersPerShaderStage (Chrome 113, Firefox 141, Safari 26)
GPUSupportedLimits.maxVertexAttributes (Chrome 113, Firefox 141, Safari 26)
GPUSupportedLimits.maxVertexBufferArrayStride (Chrome 113, Firefox 141, Safari 26)
GPUSupportedLimits.maxVertexBuffers (Chrome 113, Firefox 141, Safari 26)
GPUSupportedLimits.minStorageBufferOffsetAlignment (Chrome 113, Firefox 141, Safari 26)
GPUSupportedLimits.minUniformBufferOffsetAlignment (Chrome 113, Firefox 141, Safari 26)

GPUTexture

GPUTexture (Chrome 113, Firefox 141, Safari 26)
GPUTexture.createView (Chrome 113, Firefox 141, Safari 26)
GPUTexture.depthOrArrayLayers (Chrome 113, Firefox 141, Safari 26)
GPUTexture.destroy (Chrome 113, Firefox 141, Safari 26)
GPUTexture.dimension (Chrome 113, Firefox 141, Safari 26)
GPUTexture.format (Chrome 113, Firefox 141, Safari 26)
GPUTexture.height (Chrome 113, Firefox 141, Safari 26)
GPUTexture.label (Chrome 113, Firefox 141, Safari 26)
GPUTexture.mipLevelCount (Chrome 113, Firefox 141, Safari 26)
GPUTexture.sampleCount (Chrome 113, Firefox 141, Safari 26)
GPUTexture.usage (Chrome 113, Firefox 141, Safari 26)
GPUTexture.width (Chrome 113, Firefox 141, Safari 26)

GPUTextureView

GPUTextureView (Chrome 113, Firefox 141, Safari 26)
GPUTextureView.label (Chrome 113, Firefox 141, Safari 26)

GPUUncapturedErrorEvent

GPUUncapturedErrorEvent (Chrome 113, Firefox 141, Safari 26)
GPUUncapturedErrorEvent.error (Chrome 113, Firefox 141, Safari 26)
GPUUncapturedErrorEvent() constructor (Chrome 113, Firefox 141, Safari 26)

GPUValidationError

GPUValidationError (Chrome 113, Firefox 141, Safari 26)
GPUValidationError() constructor (Chrome 113, Firefox 141, Safari 26)

Highlight

Highlight (Chrome 105, Firefox 140, Safari 17.2)
[Symbol.iterator] (Chrome 105, Firefox 140, Safari 17.2)
Highlight.add (Chrome 105, Firefox 140, Safari 17.2)
Highlight.clear (Chrome 105, Firefox 140, Safari 17.2)
Highlight.delete (Chrome 105, Firefox 140, Safari 17.2)
Highlight.entries (Chrome 105, Firefox 140, Safari 17.2)
Highlight.forEach (Chrome 105, Firefox 140, Safari 17.2)
Highlight.has (Chrome 105, Firefox 140, Safari 17.2)
Highlight() constructor (Chrome 105, Firefox 140, Safari 17.2)
Highlight.keys (Chrome 105, Firefox 140, Safari 17.2)
Highlight.priority (Chrome 105, Firefox 140, Safari 17.2)
Highlight.size (Chrome 105, Firefox 140, Safari 17.2)
Highlight.type (Chrome 105, Firefox 140, Safari 17.2)
Highlight.values (Chrome 105, Firefox 140, Safari 17.2)

HighlightRegistry

HighlightRegistry (Chrome 105, Firefox 140, Safari 17.2)
[Symbol.iterator] (Chrome 105, Firefox 140, Safari 17.2)
HighlightRegistry.clear (Chrome 105, Firefox 140, Safari 17.2)
HighlightRegistry.delete (Chrome 105, Firefox 140, Safari 17.2)
HighlightRegistry.entries (Chrome 105, Firefox 140, Safari 17.2)
HighlightRegistry.forEach (Chrome 105, Firefox 140, Safari 17.2)
HighlightRegistry.get (Chrome 105, Firefox 140, Safari 17.2)
HighlightRegistry.has (Chrome 105, Firefox 140, Safari 17.2)
HighlightRegistry.keys (Chrome 105, Firefox 140, Safari 17.2)
HighlightRegistry.set (Chrome 105, Firefox 140, Safari 17.2)
HighlightRegistry.size (Chrome 105, Firefox 140, Safari 17.2)
HighlightRegistry.values (Chrome 105, Firefox 140, Safari 17.2)

HTMLDialogElement

HTMLDialogElement.requestClose (Chrome 134, Firefox 139, Safari 18.4)

ImageCapture

ImageCapture (Chrome 59, Firefox 35, Safari 18.4)
ImageCapture() constructor (Chrome 59, Firefox 35, Safari 18.4)
ImageCapture.track (Chrome 59, Firefox 35, Safari 18.4)

IntersectionObserver

IntersectionObserver.scrollMargin (Chrome 120, Firefox 141, Safari 26)

OffscreenCanvas

webgpu context (Chrome 113, Firefox 141, Safari 26)

OffscreenCanvasRenderingContext2D

OffscreenCanvasRenderingContext2D.letterSpacing (Chrome 99, Firefox 115, Safari 18.4)
OffscreenCanvasRenderingContext2D.wordSpacing (Chrome 99, Firefox 115, Safari 18.4)

PublicKeyCredential

getClientCapabilities() static method (Chrome 133, Firefox 135, Safari 17.4)
parseCreationOptionsFromJSON() static method (Chrome 129, Firefox 119, Safari 18.4)
parseRequestOptionsFromJSON() static method (Chrome 129, Firefox 119, Safari 18.4)
toJSON() method (Chrome 129, Firefox 119, Safari 18.4)

PushManager

supportedContentEncodings static property (Chrome 60, Firefox 134, Safari 16)

PushMessageData

PushMessageData.bytes (Chrome 132, Firefox 128, Safari 18)

PushSubscriptionChangeEvent

PushSubscriptionChangeEvent (Chrome 138, Firefox 137, Safari 16)
PushSubscriptionChangeEvent.newSubscription (Chrome 138, Firefox 137, Safari 16)
PushSubscriptionChangeEvent.oldSubscription (Chrome 138, Firefox 137, Safari 16)
PushSubscriptionChangeEvent() constructor (Chrome 138, Firefox 137, Safari 16.1)

RTCCertificate

RTCCertificate.getFingerprints (Chrome 61, Firefox 138, Safari 12.1)

RTCRtpReceiver

RTCRtpReceiver.transform (Chrome 141, Firefox 117, Safari 15.4)

RTCRtpScriptTransform

RTCRtpScriptTransform (Chrome 141, Firefox 117, Safari 15.4)
RTCRtpScriptTransform() constructor (Chrome 141, Firefox 117, Safari 15.4)

RTCRtpScriptTransformer

RTCRtpScriptTransformer (Chrome 141, Firefox 117, Safari 15.4)
RTCRtpScriptTransformer.options (Chrome 141, Firefox 117, Safari 15.4)
RTCRtpScriptTransformer.readable (Chrome 141, Firefox 117, Safari 15.4)
RTCRtpScriptTransformer.sendKeyFrameRequest (Chrome 141, Firefox 117, Safari 15.4)
RTCRtpScriptTransformer.writable (Chrome 141, Firefox 117, Safari 15.4)

RTCRtpSender

degradationPreference property in returned object (Chrome 83, Firefox 138, Safari 12.1)
RTCRtpSender.transform (Chrome 141, Firefox 117, Safari 15.4)

RTCStatsReport

responsesReceived in 'candidate-pair' stats (Chrome 58, Firefox 142, Safari 11)
mid in 'inbound-rtp' stats (Chrome 105, Firefox 135, Safari 17)

RTCTransformEvent

RTCTransformEvent (Chrome 141, Firefox 117, Safari 15.4)
RTCTransformEvent.transformer (Chrome 141, Firefox 117, Safari 15.4)

ServiceWorkerGlobalScope

ServiceWorkerGlobalScope.cookieStore (Chrome 87, Firefox 140, Safari 18.4)
pushsubscriptionchange event (Chrome 138, Firefox 44, Safari 16)

ShadowRoot

Requires TrustedHTML instance when trusted types are enforced (Chrome 83, Firefox 135, Safari 26)

trustedTypes

trustedTypes (Chrome 83, Firefox 135, Safari 26)

URLPattern

URLPattern (Chrome 95, Firefox 142, Safari 26)
URLPattern.exec (Chrome 95, Firefox 142, Safari 26)
URLPattern.hash (Chrome 95, Firefox 142, Safari 26)
URLPattern.hasRegExpGroups (Chrome 122, Firefox 142, Safari 26)
URLPattern.hostname (Chrome 95, Firefox 142, Safari 26)
URLPattern.password (Chrome 95, Firefox 142, Safari 26)
URLPattern.pathname (Chrome 95, Firefox 142, Safari 26)
URLPattern.port (Chrome 95, Firefox 142, Safari 26)
URLPattern.protocol (Chrome 95, Firefox 142, Safari 26)
URLPattern.search (Chrome 95, Firefox 142, Safari 26)
URLPattern.test (Chrome 95, Firefox 142, Safari 26)
URLPattern() constructor (Chrome 95, Firefox 142, Safari 26)
ignoreCase option (Chrome 107, Firefox 142, Safari 26)
URLPattern.username (Chrome 95, Firefox 142, Safari 26)

WebTransport

WebTransport (Chrome 97, Firefox 114, Safari 18.4)
WebTransport.close (Chrome 97, Firefox 114, Safari 18.4)
WebTransport.closed (Chrome 97, Firefox 114, Safari 18.4)
WebTransport.createBidirectionalStream (Chrome 97, Firefox 114, Safari 18.4)
WebTransport.createUnidirectionalStream (Chrome 97, Firefox 114, Safari 18.4)
WebTransport.datagrams (Chrome 97, Firefox 114, Safari 18.4)
WebTransport.incomingBidirectionalStreams (Chrome 97, Firefox 114, Safari 18.4)
WebTransport.incomingUnidirectionalStreams (Chrome 97, Firefox 114, Safari 18.4)
WebTransport.ready (Chrome 97, Firefox 114, Safari 18.4)
WebTransport() constructor (Chrome 97, Firefox 114, Safari 18.4)
options.serverCertificateHashes parameter (Chrome 100, Firefox 125, Safari 18.4)

WebTransportBidirectionalStream

WebTransportBidirectionalStream (Chrome 97, Firefox 114, Safari 18.4)
WebTransportBidirectionalStream.readable (Chrome 97, Firefox 114, Safari 18.4)
WebTransportBidirectionalStream.writable (Chrome 97, Firefox 114, Safari 18.4)

WebTransportDatagramDuplexStream

WebTransportDatagramDuplexStream (Chrome 97, Firefox 114, Safari 18.4)
WebTransportDatagramDuplexStream.incomingHighWaterMark (Chrome 97, Firefox 114, Safari 18.4)
WebTransportDatagramDuplexStream.incomingMaxAge (Chrome 97, Firefox 114, Safari 18.4)
WebTransportDatagramDuplexStream.maxDatagramSize (Chrome 97, Firefox 114, Safari 18.4)
WebTransportDatagramDuplexStream.outgoingHighWaterMark (Chrome 97, Firefox 114, Safari 18.4)
WebTransportDatagramDuplexStream.outgoingMaxAge (Chrome 97, Firefox 114, Safari 18.4)
WebTransportDatagramDuplexStream.readable (Chrome 97, Firefox 114, Safari 18.4)
WebTransportDatagramDuplexStream.writable (Chrome 97, Firefox 114, Safari 18.4)

WebTransportError

WebTransportError (Chrome 97, Firefox 114, Safari 18.4)
WebTransportError.source (Chrome 97, Firefox 114, Safari 18.4)
WebTransportError.streamErrorCode (Chrome 97, Firefox 114, Safari 18.4)
WebTransportError() constructor (Chrome 97, Firefox 114, Safari 18.4)

WGSLLanguageFeatures

WGSLLanguageFeatures (Chrome 115, Firefox 141, Safari 26)
[Symbol.iterator] (Chrome 115, Firefox 141, Safari 26)
WGSLLanguageFeatures.entries (Chrome 115, Firefox 141, Safari 26)
WGSLLanguageFeatures.forEach (Chrome 115, Firefox 141, Safari 26)
WGSLLanguageFeatures.has (Chrome 115, Firefox 141, Safari 26)
WGSLLanguageFeatures.keys (Chrome 115, Firefox 141, Safari 26)
WGSLLanguageFeatures.size (Chrome 115, Firefox 141, Safari 26)
WGSLLanguageFeatures.values (Chrome 115, Firefox 141, Safari 26)

2024

AbortSignal

any() static method (Chrome 116, Firefox 124, Safari 17.4)

AudioData

AudioData (Chrome 94, Firefox 130, Safari 26)
AudioData.allocationSize (Chrome 94, Firefox 130, Safari 26)
AudioData() constructor (Chrome 94, Firefox 130, Safari 26)
AudioData.clone (Chrome 94, Firefox 130, Safari 26)
AudioData.close (Chrome 94, Firefox 130, Safari 26)
AudioData.copyTo (Chrome 94, Firefox 130, Safari 26)
AudioData.duration (Chrome 94, Firefox 130, Safari 26)
AudioData.format (Chrome 94, Firefox 130, Safari 26)
AudioData.numberOfChannels (Chrome 94, Firefox 130, Safari 26)
AudioData.numberOfFrames (Chrome 94, Firefox 130, Safari 26)
AudioData.sampleRate (Chrome 94, Firefox 130, Safari 26)
AudioData.timestamp (Chrome 94, Firefox 130, Safari 26)

AudioDecoder

AudioDecoder (Chrome 94, Firefox 130, Safari 26)
AudioDecoder() constructor (Chrome 94, Firefox 130, Safari 26)
AudioDecoder.close (Chrome 94, Firefox 130, Safari 26)
AudioDecoder.configure (Chrome 94, Firefox 130, Safari 26)
AudioDecoder.decode (Chrome 94, Firefox 130, Safari 26)
AudioDecoder.decodeQueueSize (Chrome 94, Firefox 130, Safari 26)
dequeue event (Chrome 106, Firefox 130, Safari 26)
AudioDecoder.flush (Chrome 94, Firefox 130, Safari 26)
isConfigSupported() static method (Chrome 94, Firefox 130, Safari 26)
AudioDecoder.reset (Chrome 94, Firefox 130, Safari 26)
AudioDecoder.state (Chrome 94, Firefox 130, Safari 26)

AudioEncoder

AudioEncoder (Chrome 94, Firefox 130, Safari 26)
AudioEncoder() constructor (Chrome 94, Firefox 130, Safari 26)
AudioEncoder.close (Chrome 94, Firefox 130, Safari 26)
AudioEncoder.configure (Chrome 94, Firefox 130, Safari 26)
AudioEncoder.configure.bitrateMode (Chrome 119, Firefox 130, Safari 26)
AudioEncoder.configure.opus (Chrome 110, Firefox 130, Safari 26)
dequeue event (Chrome 106, Firefox 130, Safari 26)
AudioEncoder.encode (Chrome 94, Firefox 130, Safari 26)
AudioEncoder.encodeQueueSize (Chrome 94, Firefox 130, Safari 26)
AudioEncoder.flush (Chrome 94, Firefox 130, Safari 26)
isConfigSupported() static method (Chrome 94, Firefox 130, Safari 26)
AudioEncoder.reset (Chrome 94, Firefox 130, Safari 26)
AudioEncoder.state (Chrome 94, Firefox 130, Safari 26)

Clipboard

Clipboard.read (Chrome 76, Firefox 127, Safari 13.1)
Clipboard.readText (Chrome 66, Firefox 125, Safari 13.1)
Supports image/png MIME type (Chrome 76, Firefox 127, Safari 13.1)
Supports text/html MIME type (Chrome 86, Firefox 127, Safari 13.1)
Supports text/plain MIME type (Chrome 76, Firefox 127, Safari 13.1)
Clipboard.write (Chrome 76, Firefox 127, Safari 13.1)

ClipboardItem

ClipboardItem (Chrome 76, Firefox 127, Safari 13.1)
getType() method (Chrome 76, Firefox 127, Safari 13.1)
ClipboardItem.types (Chrome 76, Firefox 127, Safari 13.1)

ContentVisibilityAutoStateChangeEvent

ContentVisibilityAutoStateChangeEvent (Chrome 108, Firefox 125, Safari 18)
ContentVisibilityAutoStateChangeEvent() constructor (Chrome 108, Firefox 125, Safari 18)
ContentVisibilityAutoStateChangeEvent.skipped (Chrome 108, Firefox 125, Safari 18)

CSSNestedDeclarations

CSSNestedDeclarations (Chrome 130, Firefox 132, Safari 18.2)
CSSNestedDeclarations.style (Chrome 130, Firefox 132, Safari 18.2)

CSSPositionTryDescriptors

CSSPositionTryDescriptors (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.align-self (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.alignSelf (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.block-size (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.blockSize (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.bottom (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.height (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.inline-size (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.inlineSize (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.inset (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.inset-block (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.inset-block-end (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.inset-block-start (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.inset-inline (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.inset-inline-end (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.inset-inline-start (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.insetBlock (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.insetBlockEnd (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.insetBlockStart (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.insetInline (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.insetInlineEnd (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.insetInlineStart (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.justify-self (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.justifySelf (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.left (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.margin (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.margin-block (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.margin-block-end (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.margin-block-start (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.margin-bottom (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.margin-inline (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.margin-inline-end (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.margin-inline-start (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.margin-left (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.margin-right (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.margin-top (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.marginBlock (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.marginBlockEnd (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.marginBlockStart (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.marginBottom (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.marginInline (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.marginInlineEnd (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.marginInlineStart (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.marginLeft (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.marginRight (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.marginTop (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.max-block-size (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.max-height (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.max-inline-size (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.max-width (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.maxBlockSize (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.maxHeight (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.maxInlineSize (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.maxWidth (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.min-block-size (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.min-height (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.min-inline-size (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.min-width (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.minBlockSize (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.minHeight (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.minInlineSize (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.minWidth (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.place-self (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.placeSelf (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.position-anchor (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.positionAnchor (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.right (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.top (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryDescriptors.width (Chrome 125, Firefox 131, Safari 26)

CSSPositionTryRule

CSSPositionTryRule (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryRule.name (Chrome 125, Firefox 131, Safari 26)
CSSPositionTryRule.style (Chrome 125, Firefox 131, Safari 26)

CSSPropertyRule

CSSPropertyRule (Chrome 85, Firefox 128, Safari 16.4)
CSSPropertyRule.inherits (Chrome 85, Firefox 128, Safari 16.4)
CSSPropertyRule.initialValue (Chrome 85, Firefox 128, Safari 16.4)
CSSPropertyRule.name (Chrome 85, Firefox 128, Safari 16.4)
CSSPropertyRule.syntax (Chrome 85, Firefox 128, Safari 16.4)

CSSScopeRule

CSSScopeRule (Chrome 118, Firefox 128, Safari 17.4)
CSSScopeRule.end (Chrome 118, Firefox 128, Safari 17.4)
CSSScopeRule.start (Chrome 118, Firefox 128, Safari 17.4)

CSSStartingStyleRule

CSSStartingStyleRule (Chrome 117, Firefox 129, Safari 17.5)

CustomStateSet

CustomStateSet (Chrome 90, Firefox 126, Safari 17.4)
[Symbol.iterator] (Chrome 90, Firefox 126, Safari 17.4)
CustomStateSet.add (Chrome 90, Firefox 126, Safari 17.4)
CustomStateSet.clear (Chrome 90, Firefox 126, Safari 17.4)
CustomStateSet.delete (Chrome 90, Firefox 126, Safari 17.4)
CustomStateSet.entries (Chrome 90, Firefox 126, Safari 17.4)
CustomStateSet.forEach (Chrome 90, Firefox 126, Safari 17.4)
CustomStateSet.has (Chrome 90, Firefox 126, Safari 17.4)
CustomStateSet.keys (Chrome 90, Firefox 126, Safari 17.4)
CustomStateSet.size (Chrome 90, Firefox 126, Safari 17.4)
CustomStateSet.values (Chrome 90, Firefox 126, Safari 17.4)

DOMMatrixReadOnly

scaleNonUniform() (Chrome 73, Firefox 33, Safari 17.4)

ElementInternals

ElementInternals.ariaBrailleLabel (Chrome 107, Firefox 125, Safari 18)
ElementInternals.ariaBrailleRoleDescription (Chrome 107, Firefox 125, Safari 18)
ElementInternals.states (Chrome 90, Firefox 126, Safari 17.4)

EncodedAudioChunk

EncodedAudioChunk (Chrome 94, Firefox 130, Safari 26)
EncodedAudioChunk.byteLength (Chrome 94, Firefox 130, Safari 26)
EncodedAudioChunk.copyTo (Chrome 94, Firefox 130, Safari 26)
EncodedAudioChunk.duration (Chrome 94, Firefox 130, Safari 26)
EncodedAudioChunk() constructor (Chrome 94, Firefox 130, Safari 26)
EncodedAudioChunk.timestamp (Chrome 94, Firefox 130, Safari 26)
EncodedAudioChunk.type (Chrome 94, Firefox 130, Safari 26)

EncodedVideoChunk

EncodedVideoChunk (Chrome 94, Firefox 130, Safari 16.4)
EncodedVideoChunk.byteLength (Chrome 94, Firefox 130, Safari 16.4)
EncodedVideoChunk.copyTo (Chrome 94, Firefox 130, Safari 16.4)
EncodedVideoChunk.duration (Chrome 94, Firefox 130, Safari 16.4)
EncodedVideoChunk() constructor (Chrome 94, Firefox 130, Safari 16.4)
EncodedVideoChunk.timestamp (Chrome 94, Firefox 130, Safari 16.4)
EncodedVideoChunk.type (Chrome 94, Firefox 130, Safari 16.4)

fetch

init.keepalive parameter (Chrome 66, Firefox 133, Safari 13)
init.priority parameter (Chrome 101, Firefox 132, Safari 17.2)

HTMLDetailsElement

HTMLDetailsElement.name (Chrome 120, Firefox 130, Safari 17.2)

MediaSession

"skipad" type (Chrome 128, Firefox 82, Safari 15)

MediaStreamTrack

MediaStreamTrack.getCapabilities (Chrome 59, Firefox 132, Safari 11)

Permissions

camera permission (Chrome 64, Firefox 132, Safari 16)
microphone permission (Chrome 64, Firefox 132, Safari 16)

PointerEvent

PointerEvent.altitudeAngle (Chrome 86, Firefox 131, Safari 18.2)
PointerEvent.azimuthAngle (Chrome 86, Firefox 131, Safari 18.2)
PointerEvent.getCoalescedEvents (Chrome 58, Firefox 59, Safari 18.2)
PointerEvent.getPredictedEvents (Chrome 77, Firefox 89, Safari 18.2)
options.altitudeAngle parameter (Chrome 86, Firefox 131, Safari 18.2)
options.azimuthAngle parameter (Chrome 86, Firefox 131, Safari 18.2)

RTCDataChannel

Blob value (Chrome 129, Firefox 22, Safari 11)

RTCDtlsTransport

RTCDtlsTransport.iceTransport (Chrome 72, Firefox 125, Safari 15.4)

RTCDTMFSender

RTCDTMFSender.canInsertDTMF (Chrome 27, Firefox 129, Safari 13.1)

RTCIceTransport

RTCIceTransport (Chrome 75, Firefox 125, Safari 11)
RTCIceTransport.gatheringState (Chrome 75, Firefox 125, Safari 11)
gatheringstatechange event (Chrome 75, Firefox 125, Safari 15.4)
RTCIceTransport.state (Chrome 75, Firefox 125, Safari 11)
statechange event (Chrome 75, Firefox 125, Safari 15.4)

RTCRtpReceiver

RTCRtpReceiver.getParameters (Chrome 59, Firefox 128, Safari 11)
codecs property in returned object (Chrome 69, Firefox 128, Safari 11)

RTCRtpTransceiver

setCodecPreferences() (Chrome 76, Firefox 128, Safari 13.1)

ShadowRoot

ShadowRoot.clonable (Chrome 124, Firefox 123, Safari 17.4)
ShadowRoot.getHTML (Chrome 125, Firefox 128, Safari 18)
ShadowRoot.serializable (Chrome 125, Firefox 128, Safari 18)

TextEvent

TextEvent (Chrome 1, Firefox 129, Safari 3)
TextEvent.data (Chrome 1, Firefox 129, Safari 3)
TextEvent.initTextEvent (Chrome 1, Firefox 129, Safari 3)

TrustedTypePolicyFactory

TrustedTypePolicyFactory (Chrome 83, Firefox 133, Safari 26)
TrustedTypePolicyFactory.getAttributeType (Chrome 83, Firefox 133, Safari 26)
TrustedTypePolicyFactory.getPropertyType (Chrome 83, Firefox 133, Safari 26)

VideoColorSpace

VideoColorSpace (Chrome 94, Firefox 130, Safari 15.4)
VideoColorSpace.fullRange (Chrome 94, Firefox 130, Safari 15.4)
VideoColorSpace.matrix (Chrome 94, Firefox 130, Safari 15.4)
VideoColorSpace.primaries (Chrome 94, Firefox 130, Safari 15.4)
VideoColorSpace.toJSON (Chrome 94, Firefox 130, Safari 15.4)
VideoColorSpace.transfer (Chrome 94, Firefox 130, Safari 15.4)
VideoColorSpace() constructor (Chrome 94, Firefox 130, Safari 17)

VideoDecoder

VideoDecoder (Chrome 94, Firefox 130, Safari 16.4)
VideoDecoder.close (Chrome 94, Firefox 130, Safari 16.4)
VideoDecoder.configure (Chrome 94, Firefox 130, Safari 16.4)
VideoDecoder.decode (Chrome 94, Firefox 130, Safari 16.4)
VideoDecoder.decodeQueueSize (Chrome 94, Firefox 130, Safari 16.4)
dequeue event (Chrome 106, Firefox 130, Safari 16.4)
VideoDecoder.flush (Chrome 94, Firefox 130, Safari 16.4)
isConfigSupported() static method (Chrome 94, Firefox 130, Safari 16.4)
VideoDecoder.reset (Chrome 94, Firefox 130, Safari 16.4)
VideoDecoder.state (Chrome 94, Firefox 130, Safari 16.4)
VideoDecoder() constructor (Chrome 94, Firefox 130, Safari 16.4)

VideoEncoder

VideoEncoder (Chrome 94, Firefox 130, Safari 16.4)
VideoEncoder.close (Chrome 94, Firefox 130, Safari 16.4)
VideoEncoder.configure (Chrome 94, Firefox 130, Safari 16.4)
dequeue event (Chrome 106, Firefox 130, Safari 16.4)
VideoEncoder.encode (Chrome 94, Firefox 130, Safari 16.4)
VideoEncoder.encodeQueueSize (Chrome 94, Firefox 130, Safari 16.4)
VideoEncoder.flush (Chrome 94, Firefox 130, Safari 16.4)
isConfigSupported() static method (Chrome 94, Firefox 130, Safari 16.4)
VideoEncoder.reset (Chrome 94, Firefox 130, Safari 16.4)
VideoEncoder.state (Chrome 94, Firefox 130, Safari 16.4)
VideoEncoder() constructor (Chrome 94, Firefox 130, Safari 16.4)

VideoFrame

VideoFrame (Chrome 94, Firefox 130, Safari 16.4)
VideoFrame.allocationSize (Chrome 94, Firefox 130, Safari 16.4)
VideoFrame.clone (Chrome 94, Firefox 130, Safari 16.4)
VideoFrame.close (Chrome 94, Firefox 130, Safari 16.4)
VideoFrame.codedHeight (Chrome 94, Firefox 130, Safari 16.4)
VideoFrame.codedRect (Chrome 94, Firefox 130, Safari 16.4)
VideoFrame.codedWidth (Chrome 94, Firefox 130, Safari 16.4)
VideoFrame.colorSpace (Chrome 94, Firefox 130, Safari 16.4)
VideoFrame.copyTo (Chrome 94, Firefox 130, Safari 16.4)
VideoFrame.displayHeight (Chrome 94, Firefox 130, Safari 16.4)
VideoFrame.displayWidth (Chrome 94, Firefox 130, Safari 16.4)
VideoFrame.duration (Chrome 94, Firefox 130, Safari 16.4)
VideoFrame.format (Chrome 94, Firefox 130, Safari 16.4)
VideoFrame.timestamp (Chrome 94, Firefox 130, Safari 16.4)
VideoFrame() constructor (Chrome 94, Firefox 130, Safari 16.4)
VideoFrame.visibleRect (Chrome 94, Firefox 130, Safari 16.4)

WakeLock

WakeLock (Chrome 84, Firefox 126, Safari 16.4)
WakeLock.request (Chrome 84, Firefox 126, Safari 16.4)

WakeLockSentinel

WakeLockSentinel (Chrome 84, Firefox 126, Safari 16.4)
WakeLockSentinel.release (Chrome 84, Firefox 126, Safari 16.4)
release event (Chrome 84, Firefox 126, Safari 16.4)
WakeLockSentinel.released (Chrome 87, Firefox 126, Safari 16.4)
WakeLockSentinel.type (Chrome 84, Firefox 126, Safari 16.4)

2023

AuthenticatorAttestationResponse

AuthenticatorAttestationResponse.getAuthenticatorData (Chrome 85, Firefox 119, Safari 16)
AuthenticatorAttestationResponse.getPublicKey (Chrome 85, Firefox 119, Safari 16)
AuthenticatorAttestationResponse.getPublicKeyAlgorithm (Chrome 85, Firefox 119, Safari 16)
AuthenticatorAttestationResponse.getTransports (Chrome 74, Firefox 119, Safari 16)

CompressionStream

CompressionStream (Chrome 80, Firefox 113, Safari 16.4)
CompressionStream() constructor (Chrome 80, Firefox 113, Safari 16.4)
"deflate" compression (Chrome 80, Firefox 113, Safari 16.4)
"deflate-raw" compression (Chrome 103, Firefox 113, Safari 16.4)
"gzip" compression (Chrome 80, Firefox 113, Safari 16.4)
CompressionStream.readable (Chrome 80, Firefox 113, Safari 16.4)
CompressionStream.writable (Chrome 80, Firefox 113, Safari 16.4)

createImageBitmap

Value from-image (Chrome 112, Firefox 111, Safari 16)
SVGImageElement as source image (Chrome 59, Firefox 65, Safari 17.2)

CSSContainerRule

CSSContainerRule (Chrome 105, Firefox 110, Safari 16)
CSSContainerRule.containerName (Chrome 111, Firefox 110, Safari 17)
CSSContainerRule.containerQuery (Chrome 111, Firefox 110, Safari 17)

CSSCounterStyleRule

CSSCounterStyleRule (Chrome 91, Firefox 33, Safari 17)
CSSCounterStyleRule.additiveSymbols (Chrome 91, Firefox 33, Safari 17)
CSSCounterStyleRule.fallback (Chrome 91, Firefox 33, Safari 17)
CSSCounterStyleRule.name (Chrome 91, Firefox 33, Safari 17)
CSSCounterStyleRule.negative (Chrome 91, Firefox 33, Safari 17)
CSSCounterStyleRule.pad (Chrome 91, Firefox 33, Safari 17)
CSSCounterStyleRule.prefix (Chrome 91, Firefox 33, Safari 17)
CSSCounterStyleRule.range (Chrome 91, Firefox 33, Safari 17)
CSSCounterStyleRule.speakAs (Chrome 91, Firefox 33, Safari 17)
CSSCounterStyleRule.suffix (Chrome 91, Firefox 33, Safari 17)
CSSCounterStyleRule.symbols (Chrome 91, Firefox 33, Safari 17)
CSSCounterStyleRule.system (Chrome 91, Firefox 33, Safari 17)

CustomElementRegistry

CustomElementRegistry.getName (Chrome 117, Firefox 116, Safari 17)

DecompressionStream

DecompressionStream (Chrome 80, Firefox 113, Safari 16.4)
DecompressionStream() constructor (Chrome 80, Firefox 113, Safari 16.4)
"deflate" compression (Chrome 80, Firefox 113, Safari 16.4)
"deflate-raw" compression (Chrome 103, Firefox 113, Safari 16.4)
"gzip" compression (Chrome 80, Firefox 113, Safari 16.4)
DecompressionStream.readable (Chrome 80, Firefox 113, Safari 16.4)
DecompressionStream.writable (Chrome 80, Firefox 113, Safari 16.4)

DeviceMotionEvent

DeviceMotionEvent (Chrome 31, Firefox 6, Safari 17)
DeviceMotionEvent.acceleration (Chrome 31, Firefox 6, Safari 17)
DeviceMotionEvent.accelerationIncludingGravity (Chrome 31, Firefox 6, Safari 17)
DeviceMotionEvent.interval (Chrome 31, Firefox 6, Safari 17)
DeviceMotionEvent.rotationRate (Chrome 31, Firefox 6, Safari 17)

DeviceOrientationEvent

DeviceOrientationEvent (Chrome 7, Firefox 6, Safari 17)
DeviceOrientationEvent.absolute (Chrome 7, Firefox 6, Safari 17)
DeviceOrientationEvent.alpha (Chrome 7, Firefox 6, Safari 17)
DeviceOrientationEvent.beta (Chrome 7, Firefox 6, Safari 17)
DeviceOrientationEvent.gamma (Chrome 7, Firefox 6, Safari 17)

ElementInternals

ElementInternals (Chrome 77, Firefox 93, Safari 16.4)
ElementInternals.ariaAtomic (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaAutoComplete (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaBusy (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaChecked (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaColCount (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaColIndex (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaColSpan (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaCurrent (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaDisabled (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaExpanded (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaHasPopup (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaHidden (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaInvalid (Chrome 102, Firefox 119, Safari 16.4)
ElementInternals.ariaKeyShortcuts (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaLabel (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaLevel (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaLive (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaModal (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaMultiLine (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaMultiSelectable (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaOrientation (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaPlaceholder (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaPosInSet (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaPressed (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaReadOnly (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaRelevant (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaRequired (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaRoleDescription (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaRowCount (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaRowIndex (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaRowSpan (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaSelected (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaSetSize (Chrome 84, Firefox 119, Safari 16.4)
ElementInternals.ariaSort (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaValueMax (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaValueMin (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaValueNow (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.ariaValueText (Chrome 81, Firefox 119, Safari 16.4)
ElementInternals.checkValidity (Chrome 77, Firefox 98, Safari 16.4)
ElementInternals.form (Chrome 77, Firefox 98, Safari 16.4)
ElementInternals.labels (Chrome 77, Firefox 98, Safari 16.4)
ElementInternals.reportValidity (Chrome 77, Firefox 98, Safari 16.4)
ElementInternals.role (Chrome 103, Firefox 119, Safari 16.4)
ElementInternals.setFormValue (Chrome 77, Firefox 98, Safari 16.4)
ElementInternals.setValidity (Chrome 77, Firefox 98, Safari 16.4)
ElementInternals.shadowRoot (Chrome 88, Firefox 93, Safari 16.4)
ElementInternals.validationMessage (Chrome 77, Firefox 98, Safari 16.4)
ElementInternals.validity (Chrome 77, Firefox 98, Safari 16.4)
ElementInternals.willValidate (Chrome 77, Firefox 98, Safari 16.4)

FileSystemDirectoryHandle

FileSystemDirectoryHandle (Chrome 86, Firefox 111, Safari 15.2)
[Symbol.asyncIterator] (Chrome 86, Firefox 111, Safari 16.4)
FileSystemDirectoryHandle.entries (Chrome 86, Firefox 111, Safari 15.2)
FileSystemDirectoryHandle.getDirectoryHandle (Chrome 86, Firefox 111, Safari 15.2)
FileSystemDirectoryHandle.getFileHandle (Chrome 86, Firefox 111, Safari 15.2)
FileSystemDirectoryHandle.keys (Chrome 86, Firefox 111, Safari 15.2)
FileSystemDirectoryHandle.removeEntry (Chrome 86, Firefox 111, Safari 15.2)
FileSystemDirectoryHandle.resolve (Chrome 86, Firefox 111, Safari 15.2)
FileSystemDirectoryHandle.values (Chrome 86, Firefox 111, Safari 15.2)

FileSystemFileHandle

FileSystemFileHandle (Chrome 86, Firefox 111, Safari 15.2)
FileSystemFileHandle.createSyncAccessHandle (Chrome 102, Firefox 111, Safari 15.2)
FileSystemFileHandle.createWritable (Chrome 86, Firefox 111, Safari 26)
FileSystemFileHandle.getFile (Chrome 86, Firefox 111, Safari 15.2)

FileSystemHandle

FileSystemHandle (Chrome 86, Firefox 111, Safari 15.2)
FileSystemHandle.isSameEntry (Chrome 86, Firefox 111, Safari 15.2)
FileSystemHandle.kind (Chrome 86, Firefox 111, Safari 15.2)
FileSystemHandle.name (Chrome 86, Firefox 111, Safari 15.2)

FileSystemSyncAccessHandle

FileSystemSyncAccessHandle (Chrome 102, Firefox 111, Safari 15.2)
FileSystemSyncAccessHandle.close (Chrome 102, Firefox 111, Safari 15.2)
Synchronous implementation of the close() method (Chrome 108, Firefox 111, Safari 16.4)
FileSystemSyncAccessHandle.flush (Chrome 102, Firefox 111, Safari 15.2)
Synchronous implementation of the flush() method (Chrome 108, Firefox 111, Safari 16.4)
FileSystemSyncAccessHandle.getSize (Chrome 102, Firefox 111, Safari 15.2)
Synchronous implementation of the getSize() method (Chrome 108, Firefox 111, Safari 16.4)
FileSystemSyncAccessHandle.read (Chrome 102, Firefox 111, Safari 15.2)
FileSystemSyncAccessHandle.truncate (Chrome 102, Firefox 111, Safari 15.2)
Synchronous implementation of the truncate() method (Chrome 108, Firefox 111, Safari 16.4)
FileSystemSyncAccessHandle.write (Chrome 102, Firefox 111, Safari 15.2)

FileSystemWritableFileStream

FileSystemWritableFileStream (Chrome 86, Firefox 111, Safari 26)
FileSystemWritableFileStream.seek (Chrome 86, Firefox 111, Safari 26)
FileSystemWritableFileStream.truncate (Chrome 86, Firefox 111, Safari 26)
FileSystemWritableFileStream.write (Chrome 86, Firefox 111, Safari 26)

GamepadHapticActuator

GamepadHapticActuator (Chrome 68, Firefox 55, Safari 16.4)
GamepadHapticActuator.type (Chrome 68, Firefox 55, Safari 16.4)

Headers

Headers.getSetCookie (Chrome 113, Firefox 112, Safari 17)

InputEvent

InputEvent.isComposing (Chrome 60, Firefox 31, Safari 16.4)

MathMLElement

MathMLElement (Chrome 109, Firefox 71, Safari 13.1)
MathMLElement.autofocus (Chrome 109, Firefox 110, Safari 15.4)
MathMLElement.blur (Chrome 109, Firefox 71, Safari 13.1)
MathMLElement.dataset (Chrome 109, Firefox 71, Safari 13.1)
MathMLElement.focus (Chrome 109, Firefox 71, Safari 13.1)
MathMLElement.style (Chrome 109, Firefox 71, Safari 13.1)
MathMLElement.tabIndex (Chrome 109, Firefox 71, Safari 13.1)

OffscreenCanvas

OffscreenCanvas (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvas.getContext (Chrome 69, Firefox 105, Safari 16.4)
2d context (Chrome 69, Firefox 105, Safari 16.4)
bitmaprenderer context (Chrome 76, Firefox 105, Safari 16.4)
webgl context (Chrome 69, Firefox 105, Safari 17)
webgl2 context (Chrome 69, Firefox 105, Safari 17)
OffscreenCanvas.height (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvas() constructor (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvas.transferToImageBitmap (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvas.width (Chrome 69, Firefox 105, Safari 16.4)

OffscreenCanvasRenderingContext2D

OffscreenCanvasRenderingContext2D (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.arc (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.arcTo (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.beginPath (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.bezierCurveTo (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.canvas (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.clearRect (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.clip (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.closePath (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.createConicGradient (Chrome 99, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.createImageData (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.createLinearGradient (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.createPattern (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.createRadialGradient (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.direction (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.drawImage (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.ellipse (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.fill (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.fillRect (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.fillStyle (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.fillText (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.getImageData (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.getLineDash (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.getTransform (Chrome 80, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.globalAlpha (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.globalCompositeOperation (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.imageSmoothingEnabled (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.isPointInPath (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.isPointInStroke (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.lineCap (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.lineDashOffset (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.lineJoin (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.lineTo (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.lineWidth (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.measureText (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.miterLimit (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.moveTo (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.putImageData (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.quadraticCurveTo (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.rect (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.reset (Chrome 99, Firefox 113, Safari 17.2)
OffscreenCanvasRenderingContext2D.resetTransform (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.restore (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.rotate (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.roundRect (Chrome 99, Firefox 112, Safari 16.4)
OffscreenCanvasRenderingContext2D.save (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.scale (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.setLineDash (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.setTransform (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.shadowBlur (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.shadowColor (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.shadowOffsetX (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.shadowOffsetY (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.stroke (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.strokeRect (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.strokeStyle (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.strokeText (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.textAlign (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.textBaseline (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.transform (Chrome 69, Firefox 105, Safari 16.4)
OffscreenCanvasRenderingContext2D.translate (Chrome 69, Firefox 105, Safari 16.4)

PerformanceResourceTiming

PerformanceResourceTiming.decodedBodySize (Chrome 54, Firefox 45, Safari 16.4)
PerformanceResourceTiming.encodedBodySize (Chrome 54, Firefox 45, Safari 16.4)
PerformanceResourceTiming.serverTiming (Chrome 65, Firefox 61, Safari 16.4)
PerformanceResourceTiming.transferSize (Chrome 54, Firefox 45, Safari 16.4)

PerformanceServerTiming

PerformanceServerTiming (Chrome 65, Firefox 61, Safari 16.4)
PerformanceServerTiming.description (Chrome 65, Firefox 61, Safari 16.4)
PerformanceServerTiming.duration (Chrome 65, Firefox 61, Safari 16.4)
PerformanceServerTiming.name (Chrome 65, Firefox 61, Safari 16.4)
PerformanceServerTiming.toJSON (Chrome 65, Firefox 61, Safari 16.4)

Permissions

notifications permission (Chrome 43, Firefox 46, Safari 16.4)
push permission (Chrome 43, Firefox 46, Safari 16.5)

PermissionStatus

change event (Chrome 43, Firefox 46, Safari 16.4)

PublicKeyCredential

PublicKeyCredential.authenticatorAttachment (Chrome 98, Firefox 120, Safari 15.5)
isConditionalMediationAvailable() static method (Chrome 108, Firefox 119, Safari 16)

ReadableStreamDefaultReader

releaseLock() rejects pending read requests (Chrome 105, Firefox 102, Safari 17)

Report

Report (Chrome 69, Firefox 65, Safari 16.4)
Report.body (Chrome 69, Firefox 65, Safari 16.4)
Report.toJSON (Chrome 69, Firefox 77, Safari 16.4)
Report.type (Chrome 69, Firefox 65, Safari 16.4)
Report.url (Chrome 69, Firefox 65, Safari 16.4)

ReportBody

ReportBody (Chrome 69, Firefox 65, Safari 16.4)
ReportBody.toJSON (Chrome 69, Firefox 77, Safari 16.4)

ReportingObserver

ReportingObserver (Chrome 69, Firefox 65, Safari 16.4)
ReportingObserver.disconnect (Chrome 69, Firefox 65, Safari 16.4)
ReportingObserver.observe (Chrome 69, Firefox 65, Safari 16.4)
ReportingObserver() constructor (Chrome 69, Firefox 65, Safari 16.4)
ReportingObserver.takeRecords (Chrome 69, Firefox 65, Safari 16.4)

RTCEncodedAudioFrame

RTCEncodedAudioFrame (Chrome 86, Firefox 117, Safari 15.4)
RTCEncodedAudioFrame.data (Chrome 86, Firefox 117, Safari 15.4)
RTCEncodedAudioFrame.getMetadata (Chrome 86, Firefox 117, Safari 15.4)
RTCEncodedAudioFrame.timestamp (Chrome 86, Firefox 117, Safari 15.4)

RTCEncodedVideoFrame

RTCEncodedVideoFrame (Chrome 86, Firefox 117, Safari 15.4)
RTCEncodedVideoFrame.data (Chrome 86, Firefox 117, Safari 15.4)
RTCEncodedVideoFrame.getMetadata (Chrome 86, Firefox 117, Safari 15.4)
RTCEncodedVideoFrame.timestamp (Chrome 86, Firefox 117, Safari 15.4)
RTCEncodedVideoFrame.type (Chrome 86, Firefox 117, Safari 15.4)

RTCRtpReceiver

getCapabilities() static method (Chrome 59, Firefox 113, Safari 12.1)

RTCRtpSender

getCapabilities() static method (Chrome 69, Firefox 113, Safari 12.1)
RTCRtpSender.setStreams (Chrome 76, Firefox 113, Safari 14.1)

RTCSctpTransport

RTCSctpTransport (Chrome 76, Firefox 113, Safari 15.4)
RTCSctpTransport.maxChannels (Chrome 76, Firefox 113, Safari 15.4)
RTCSctpTransport.maxMessageSize (Chrome 76, Firefox 113, Safari 15.4)
RTCSctpTransport.state (Chrome 76, Firefox 113, Safari 15.4)
statechange event (Chrome 76, Firefox 113, Safari 15.4)
RTCSctpTransport.transport (Chrome 76, Firefox 113, Safari 15.4)

RTCStatsReport

trackIdentifier in 'inbound-rtp' stats (Chrome 105, Firefox 111, Safari 16.4)
media-source stats (Chrome 80, Firefox 113, Safari 14.1)
id in 'media-source' stats (Chrome 80, Firefox 113, Safari 14.1)
kind in 'media-source' stats (Chrome 80, Firefox 113, Safari 14.1)
timestamp in 'media-source' stats (Chrome 80, Firefox 113, Safari 14.1)
trackIdentifier in 'media-source' stats (Chrome 80, Firefox 113, Safari 14.1)
type in 'media-source' stats (Chrome 80, Firefox 113, Safari 14.1)
peer-connection stats (Chrome 80, Firefox 113, Safari 13.1)
dataChannelsClosed in 'peer-connection' stats (Chrome 80, Firefox 113, Safari 13.1)
dataChannelsOpened in 'peer-connection' stats (Chrome 80, Firefox 113, Safari 13.1)
id in 'peer-connection' stats (Chrome 80, Firefox 113, Safari 13.1)
timestamp in 'peer-connection' stats (Chrome 80, Firefox 113, Safari 13.1)
type in 'peer-connection' stats (Chrome 80, Firefox 113, Safari 13.1)

ScreenOrientation

ScreenOrientation (Chrome 38, Firefox 43, Safari 16.4)
ScreenOrientation.angle (Chrome 38, Firefox 43, Safari 16.4)
change event (Chrome 38, Firefox 43, Safari 16.4)
ScreenOrientation.type (Chrome 38, Firefox 43, Safari 16.4)

ShadowRoot

ShadowRoot.adoptedStyleSheets (Chrome 73, Firefox 101, Safari 16.4)
ShadowRoot.slotAssignment (Chrome 86, Firefox 92, Safari 16.4)

StorageManager

StorageManager.estimate (Chrome 61, Firefox 57, Safari 17)
StorageManager.getDirectory (Chrome 86, Firefox 111, Safari 15.2)

ToggleEvent

ToggleEvent (Chrome 114, Firefox 120, Safari 17)
ToggleEvent.newState (Chrome 114, Firefox 120, Safari 17)
ToggleEvent.oldState (Chrome 114, Firefox 120, Safari 17)
ToggleEvent() constructor (Chrome 114, Firefox 120, Safari 17)

URLSearchParams

value parameter (Chrome 117, Firefox 115, Safari 17)
URLSearchParams.size (Chrome 113, Firefox 112, Safari 17)

UserActivation

UserActivation (Chrome 72, Firefox 120, Safari 16.4)
UserActivation.hasBeenActive (Chrome 72, Firefox 120, Safari 16.4)
UserActivation.isActive (Chrome 72, Firefox 120, Safari 16.4)

Worklet

Support for ECMAScript modules (Chrome 80, Firefox 114, Safari 15)

WritableStreamDefaultController

WritableStreamDefaultController.signal (Chrome 98, Firefox 100, Safari 16.4)

2022

AbortSignal

reason parameter (Chrome 98, Firefox 97, Safari 15.4)
AbortSignal.reason (Chrome 98, Firefox 97, Safari 15.4)
AbortSignal.throwIfAborted (Chrome 100, Firefox 97, Safari 15.4)

BroadcastChannel

BroadcastChannel (Chrome 54, Firefox 38, Safari 15.4)
BroadcastChannel() constructor (Chrome 54, Firefox 38, Safari 15.4)
BroadcastChannel.close (Chrome 54, Firefox 38, Safari 15.4)
message event (Chrome 54, Firefox 38, Safari 15.4)
messageerror event (Chrome 60, Firefox 57, Safari 15.4)
BroadcastChannel.name (Chrome 54, Firefox 38, Safari 15.4)
BroadcastChannel.postMessage (Chrome 54, Firefox 38, Safari 15.4)

caches

Secure context required (Chrome 65, Firefox 103, Safari 11.1)

createImageBitmap

options.colorSpaceConversion parameter (Chrome 58, Firefox 98, Safari 15)
options.resizeHeight parameter (Chrome 54, Firefox 98, Safari 15)
options.resizeWidth parameter (Chrome 54, Firefox 98, Safari 15)

CSSFontPaletteValuesRule

CSSFontPaletteValuesRule (Chrome 101, Firefox 107, Safari 15.4)
CSSFontPaletteValuesRule.basePalette (Chrome 101, Firefox 107, Safari 15.4)
CSSFontPaletteValuesRule.fontFamily (Chrome 101, Firefox 107, Safari 15.4)
CSSFontPaletteValuesRule.name (Chrome 101, Firefox 107, Safari 15.4)
CSSFontPaletteValuesRule.overrideColors (Chrome 101, Firefox 107, Safari 15.4)

CSSLayerBlockRule

CSSLayerBlockRule (Chrome 99, Firefox 97, Safari 15.4)
CSSLayerBlockRule.name (Chrome 99, Firefox 97, Safari 15.4)

CSSLayerStatementRule

CSSLayerStatementRule (Chrome 99, Firefox 97, Safari 15.4)
CSSLayerStatementRule.nameList (Chrome 99, Firefox 97, Safari 15.4)

FetchEvent

FetchEvent.handled (Chrome 86, Firefox 84, Safari 16)
FetchEvent.preloadResponse (Chrome 59, Firefox 99, Safari 15.4)
FetchEvent.resultingClientId (Chrome 72, Firefox 65, Safari 16)

FontFace

Available in workers (Chrome 69, Firefox 105, Safari 15)

FontFaceSet

Available in workers (Chrome 69, Firefox 105, Safari 15)

HTMLDialogElement

HTMLDialogElement (Chrome 37, Firefox 98, Safari 15.4)
cancel event (Chrome 37, Firefox 98, Safari 15.4)
HTMLDialogElement.close (Chrome 37, Firefox 98, Safari 15.4)
close event (Chrome 37, Firefox 98, Safari 15.4)
HTMLDialogElement.open (Chrome 37, Firefox 98, Safari 15.4)
HTMLDialogElement.returnValue (Chrome 37, Firefox 98, Safari 15.4)
HTMLDialogElement.show (Chrome 37, Firefox 98, Safari 15.4)
HTMLDialogElement.showModal (Chrome 37, Firefox 98, Safari 15.4)

ImageBitmapRenderingContext

ImageBitmapRenderingContext.canvas (Chrome 66, Firefox 97, Safari 11.1)

KeyframeEffect

KeyframeEffect.composite (Chrome 84, Firefox 80, Safari 16)

Lock

Lock (Chrome 69, Firefox 96, Safari 15.4)
Lock.mode (Chrome 69, Firefox 96, Safari 15.4)
Lock.name (Chrome 69, Firefox 96, Safari 15.4)

LockManager

LockManager (Chrome 69, Firefox 96, Safari 15.4)
LockManager.query (Chrome 69, Firefox 96, Safari 15.4)
LockManager.request (Chrome 69, Firefox 96, Safari 15.4)

MediaCapabilities

MediaCapabilities.encodingInfo (Chrome 101, Firefox 63, Safari 15.4)

NavigationPreloadManager

NavigationPreloadManager (Chrome 59, Firefox 99, Safari 15.4)
NavigationPreloadManager.disable (Chrome 59, Firefox 99, Safari 15.4)
NavigationPreloadManager.enable (Chrome 59, Firefox 99, Safari 15.4)
NavigationPreloadManager.getState (Chrome 59, Firefox 99, Safari 15.4)
NavigationPreloadManager.setHeaderValue (Chrome 59, Firefox 99, Safari 15.4)

NotificationEvent

NotificationEvent (Chrome 42, Firefox 44, Safari 16)
NotificationEvent() constructor (Chrome 42, Firefox 44, Safari 16)

OES_draw_buffers_indexed

OES_draw_buffers_indexed (Chrome 100, Firefox 108, Safari 16)
OES_draw_buffers_indexed.blendEquationiOES (Chrome 100, Firefox 108, Safari 16)
OES_draw_buffers_indexed.blendEquationSeparateiOES (Chrome 100, Firefox 108, Safari 16)
OES_draw_buffers_indexed.blendFunciOES (Chrome 100, Firefox 108, Safari 16)
OES_draw_buffers_indexed.blendFuncSeparateiOES (Chrome 100, Firefox 108, Safari 16)
OES_draw_buffers_indexed.colorMaskiOES (Chrome 100, Firefox 108, Safari 16)
OES_draw_buffers_indexed.disableiOES (Chrome 100, Firefox 108, Safari 16)
OES_draw_buffers_indexed.enableiOES (Chrome 100, Firefox 108, Safari 16)

PerformanceMark

PerformanceMark.detail (Chrome 78, Firefox 101, Safari 14.1)
PerformanceMark() constructor (Chrome 76, Firefox 101, Safari 14.1)

PerformanceMeasure

PerformanceMeasure.detail (Chrome 78, Firefox 103, Safari 14.1)

Permissions

Permissions (Chrome 43, Firefox 46, Safari 16)
geolocation permission (Chrome 43, Firefox 46, Safari 16)
Permissions.query (Chrome 43, Firefox 46, Safari 16)

PermissionStatus

PermissionStatus (Chrome 43, Firefox 46, Safari 16)
PermissionStatus.name (Chrome 97, Firefox 93, Safari 16)

PushEvent

PushEvent (Chrome 42, Firefox 44, Safari 16)
PushEvent.data (Chrome 50, Firefox 44, Safari 16)
PushEvent() constructor (Chrome 42, Firefox 44, Safari 16)

PushManager

PushManager (Chrome 42, Firefox 44, Safari 16)
PushManager.getSubscription (Chrome 42, Firefox 44, Safari 16)
PushManager.permissionState (Chrome 44, Firefox 44, Safari 16)
PushManager.subscribe (Chrome 42, Firefox 44, Safari 16)

PushMessageData

PushMessageData (Chrome 50, Firefox 44, Safari 16)
PushMessageData.arrayBuffer (Chrome 50, Firefox 44, Safari 16)
PushMessageData.blob (Chrome 50, Firefox 44, Safari 16)
PushMessageData.json (Chrome 50, Firefox 44, Safari 16)
PushMessageData.text (Chrome 50, Firefox 44, Safari 16)

PushSubscription

PushSubscription (Chrome 42, Firefox 44, Safari 16)
PushSubscription.endpoint (Chrome 42, Firefox 44, Safari 16)
PushSubscription.expirationTime (Chrome 60, Firefox 96, Safari 16)
getKey() (Chrome 42, Firefox 44, Safari 16)
PushSubscription.options (Chrome 54, Firefox 44, Safari 16)
toJSON() (Chrome 42, Firefox 44, Safari 16)
unsubscribe() (Chrome 42, Firefox 44, Safari 16)

PushSubscriptionOptions

PushSubscriptionOptions (Chrome 54, Firefox 44, Safari 16)
PushSubscriptionOptions.applicationServerKey (Chrome 54, Firefox 44, Safari 16)

ReadableStream

ReadableStream.pipeThrough (Chrome 59, Firefox 102, Safari 10.1)
ReadableStream.pipeTo (Chrome 59, Firefox 100, Safari 10.1)

ReadableStreamDefaultReader

ReadableStreamDefaultReader() constructor (Chrome 78, Firefox 100, Safari 10)

reportError

reportError (Chrome 95, Firefox 93, Safari 15.4)

ResizeObserver

options.box parameter (Chrome 84, Firefox 69, Safari 15.4)

ResizeObserverSize

ResizeObserverSize (Chrome 84, Firefox 69, Safari 15.4)
ResizeObserverSize.blockSize (Chrome 84, Firefox 69, Safari 15.4)
ResizeObserverSize.inlineSize (Chrome 84, Firefox 69, Safari 15.4)

RTCDtlsTransport

RTCDtlsTransport (Chrome 72, Firefox 82, Safari 15.4)
RTCDtlsTransport.state (Chrome 72, Firefox 82, Safari 15.4)
statechange event (Chrome 72, Firefox 82, Safari 15.4)

RTCRtpReceiver

RTCRtpReceiver.transport (Chrome 59, Firefox 82, Safari 15.4)

RTCRtpSender

RTCRtpSender.transport (Chrome 75, Firefox 82, Safari 15.4)

RTCStatsReport

codec stats (Chrome 80, Firefox 98, Safari 13.1)
channels in 'codec' stats (Chrome 83, Firefox 98, Safari 14.1)
clockRate in 'codec' stats (Chrome 80, Firefox 98, Safari 13.1)
id in 'codec' stats (Chrome 80, Firefox 98, Safari 13.1)
mimeType in 'codec' stats (Chrome 80, Firefox 98, Safari 13.1)
payloadType in 'codec' stats (Chrome 80, Firefox 98, Safari 13.1)
sdpFmtpLine in 'codec' stats (Chrome 83, Firefox 98, Safari 14)
timestamp in 'codec' stats (Chrome 80, Firefox 98, Safari 13.1)
type in 'codec' stats (Chrome 80, Firefox 98, Safari 13.1)
audioLevel in 'inbound-rtp' stats (Chrome 86, Firefox 106, Safari 14.1)
codecId in 'inbound-rtp' stats (Chrome 80, Firefox 98, Safari 15.2)
concealedSamples in 'inbound-rtp' stats (Chrome 86, Firefox 104, Safari 14.1)
concealmentEvents in 'inbound-rtp' stats (Chrome 86, Firefox 106, Safari 14.1)
fecPacketsDiscarded in 'inbound-rtp' stats (Chrome 81, Firefox 106, Safari 14.1)
fecPacketsReceived in 'inbound-rtp' stats (Chrome 81, Firefox 106, Safari 14.1)
headerBytesReceived in 'inbound-rtp' stats (Chrome 80, Firefox 106, Safari 14.1)
insertedSamplesForDeceleration in 'inbound-rtp' stats (Chrome 86, Firefox 106, Safari 14.1)
jitterBufferDelay in 'inbound-rtp' stats (Chrome 86, Firefox 104, Safari 14.1)
jitterBufferEmittedCount in 'inbound-rtp' stats (Chrome 86, Firefox 104, Safari 14.1)
lastPacketReceivedTimestamp in 'inbound-rtp' stats (Chrome 80, Firefox 106, Safari 15.2)
packetsDiscarded in 'inbound-rtp' stats (Chrome 94, Firefox 96, Safari 15.4)
removedSamplesForAcceleration in 'inbound-rtp' stats (Chrome 86, Firefox 106, Safari 14.1)
silentConcealedSamples in 'inbound-rtp' stats (Chrome 86, Firefox 104, Safari 14.1)
totalAudioEnergy in 'inbound-rtp' stats (Chrome 86, Firefox 106, Safari 14.1)
totalSamplesDuration in 'inbound-rtp' stats (Chrome 86, Firefox 106, Safari 14.1)
totalSamplesReceived in 'inbound-rtp' stats (Chrome 86, Firefox 104, Safari 14.1)
codecId in 'outbound-rtp' stats (Chrome 80, Firefox 98, Safari 11)
headerBytesSent in 'outbound-rtp' stats (Chrome 80, Firefox 100, Safari 14.1)
nackCount in 'outbound-rtp' stats (Chrome 93, Firefox 55, Safari 15.4)
remoteId in 'outbound-rtp' stats (Chrome 81, Firefox 27, Safari 15.3)
retransmittedBytesSent in 'outbound-rtp' stats (Chrome 80, Firefox 100, Safari 14.1)
retransmittedPacketsSent in 'outbound-rtp' stats (Chrome 80, Firefox 100, Safari 14.1)
codecId in 'remote-inbound-rtp' stats (Chrome 80, Firefox 98, Safari 11)
roundTripTime in 'remote-inbound-rtp' stats (Chrome 80, Firefox 96, Safari 14.1)
codecId in 'remote-outbound-rtp' stats (Chrome 91, Firefox 98, Safari 11)

ServiceWorkerGlobalScope

notificationclick event (Chrome 40, Firefox 44, Safari 16)
notificationclose event (Chrome 50, Firefox 44, Safari 16)
push event (Chrome 40, Firefox 44, Safari 16)

ServiceWorkerRegistration

ServiceWorkerRegistration.getNotifications (Chrome 40, Firefox 44, Safari 16)
ServiceWorkerRegistration.navigationPreload (Chrome 59, Firefox 99, Safari 15.4)
ServiceWorkerRegistration.pushManager (Chrome 40, Firefox 44, Safari 16)
ServiceWorkerRegistration.showNotification (Chrome 42, Firefox 44, Safari 16)

SpeechSynthesis

voiceschanged event (Chrome 33, Firefox 49, Safari 16)

SpeechSynthesisErrorEvent

SpeechSynthesisErrorEvent() constructor (Chrome 71, Firefox 49, Safari 16)

SpeechSynthesisEvent

SpeechSynthesisEvent.charLength (Chrome 77, Firefox 53, Safari 16)
SpeechSynthesisEvent() constructor (Chrome 71, Firefox 49, Safari 16)
SpeechSynthesisEvent.utterance (Chrome 33, Firefox 49, Safari 16)

structuredClone

structuredClone (Chrome 98, Firefox 94, Safari 15.4)

TextDecoderStream

TextDecoderStream (Chrome 71, Firefox 105, Safari 14.1)
TextDecoderStream.encoding (Chrome 71, Firefox 105, Safari 14.1)
TextDecoderStream.fatal (Chrome 71, Firefox 105, Safari 14.1)
TextDecoderStream.ignoreBOM (Chrome 71, Firefox 105, Safari 14.1)
TextDecoderStream.readable (Chrome 71, Firefox 105, Safari 14.1)
TextDecoderStream() constructor (Chrome 71, Firefox 105, Safari 14.1)
TextDecoderStream.writable (Chrome 71, Firefox 105, Safari 14.1)

TextEncoderStream

TextEncoderStream (Chrome 71, Firefox 105, Safari 14.1)
TextEncoderStream.encoding (Chrome 71, Firefox 105, Safari 14.1)
TextEncoderStream.readable (Chrome 71, Firefox 105, Safari 14.1)
TextEncoderStream() constructor (Chrome 71, Firefox 105, Safari 14.1)
TextEncoderStream.writable (Chrome 71, Firefox 105, Safari 14.1)

TransformStream

TransformStream (Chrome 67, Firefox 102, Safari 14.1)
TransformStream.readable (Chrome 67, Firefox 102, Safari 14.1)
TransformStream() constructor (Chrome 67, Firefox 102, Safari 14.1)
TransformStream.writable (Chrome 67, Firefox 102, Safari 14.1)

TransformStreamDefaultController

TransformStreamDefaultController (Chrome 67, Firefox 102, Safari 14.1)
TransformStreamDefaultController.desiredSize (Chrome 67, Firefox 102, Safari 14.1)
TransformStreamDefaultController.enqueue (Chrome 67, Firefox 102, Safari 14.1)
TransformStreamDefaultController.error (Chrome 67, Firefox 102, Safari 14.1)
TransformStreamDefaultController.terminate (Chrome 67, Firefox 102, Safari 14.1)

WritableStream

WritableStream (Chrome 59, Firefox 100, Safari 14.1)
WritableStream.abort (Chrome 59, Firefox 100, Safari 14.1)
WritableStream.close (Chrome 81, Firefox 100, Safari 14.1)
WritableStream.getWriter (Chrome 59, Firefox 100, Safari 14.1)
WritableStream.locked (Chrome 59, Firefox 100, Safari 14.1)
WritableStream() constructor (Chrome 59, Firefox 100, Safari 14.1)

WritableStreamDefaultController

WritableStreamDefaultController (Chrome 59, Firefox 100, Safari 14.1)
WritableStreamDefaultController.error (Chrome 59, Firefox 100, Safari 14.1)

WritableStreamDefaultWriter

WritableStreamDefaultWriter (Chrome 59, Firefox 100, Safari 14.1)
WritableStreamDefaultWriter.abort (Chrome 59, Firefox 100, Safari 14.1)
WritableStreamDefaultWriter.close (Chrome 59, Firefox 100, Safari 14.1)
WritableStreamDefaultWriter.closed (Chrome 59, Firefox 100, Safari 14.1)
WritableStreamDefaultWriter.desiredSize (Chrome 59, Firefox 100, Safari 14.1)
WritableStreamDefaultWriter.ready (Chrome 59, Firefox 100, Safari 14.1)
WritableStreamDefaultWriter.releaseLock (Chrome 59, Firefox 100, Safari 14.1)
WritableStreamDefaultWriter() constructor (Chrome 78, Firefox 100, Safari 14.1)
WritableStreamDefaultWriter.write (Chrome 59, Firefox 100, Safari 14.1)

2021

AbortSignal

abort() static method (Chrome 93, Firefox 88, Safari 15)

AbstractRange

AbstractRange (Chrome 90, Firefox 69, Safari 14.1)
AbstractRange.collapsed (Chrome 90, Firefox 69, Safari 14.1)
AbstractRange.endContainer (Chrome 90, Firefox 69, Safari 14.1)
AbstractRange.endOffset (Chrome 90, Firefox 69, Safari 14.1)
AbstractRange.startContainer (Chrome 90, Firefox 69, Safari 14.1)
AbstractRange.startOffset (Chrome 90, Firefox 69, Safari 14.1)

AudioParamMap

AudioParamMap (Chrome 66, Firefox 76, Safari 14.1)
[Symbol.iterator] (Chrome 66, Firefox 76, Safari 14.1)
AudioParamMap.entries (Chrome 66, Firefox 76, Safari 14.1)
AudioParamMap.forEach (Chrome 66, Firefox 76, Safari 14.1)
AudioParamMap.get (Chrome 66, Firefox 76, Safari 14.1)
AudioParamMap.has (Chrome 66, Firefox 76, Safari 14.1)
AudioParamMap.keys (Chrome 66, Firefox 76, Safari 14.1)
AudioParamMap.size (Chrome 66, Firefox 76, Safari 14.1)
AudioParamMap.values (Chrome 66, Firefox 76, Safari 14.1)

AudioWorklet

AudioWorklet (Chrome 66, Firefox 76, Safari 14.1)

AudioWorkletGlobalScope

AudioWorkletGlobalScope (Chrome 66, Firefox 76, Safari 14.1)
AudioWorkletGlobalScope.currentFrame (Chrome 66, Firefox 76, Safari 14.1)
AudioWorkletGlobalScope.currentTime (Chrome 66, Firefox 76, Safari 14.1)
AudioWorkletGlobalScope.registerProcessor (Chrome 66, Firefox 76, Safari 14.1)
AudioWorkletGlobalScope.sampleRate (Chrome 66, Firefox 76, Safari 14.1)

AudioWorkletNode

AudioWorkletNode (Chrome 66, Firefox 76, Safari 14.1)
AudioWorkletNode() constructor (Chrome 66, Firefox 76, Safari 14.1)
AudioWorkletNode.parameters (Chrome 66, Firefox 76, Safari 14.1)
AudioWorkletNode.port (Chrome 66, Firefox 76, Safari 14.1)
processorerror event (Chrome 66, Firefox 76, Safari 14.1)

AudioWorkletProcessor

AudioWorkletProcessor (Chrome 64, Firefox 76, Safari 14.1)
AudioWorkletProcessor() constructor (Chrome 64, Firefox 76, Safari 14.1)
AudioWorkletProcessor.port (Chrome 64, Firefox 76, Safari 14.1)

ConstantSourceNode

ConstantSourceNode (Chrome 56, Firefox 52, Safari 14.1)
ConstantSourceNode() constructor (Chrome 56, Firefox 52, Safari 14.1)
ConstantSourceNode.offset (Chrome 56, Firefox 52, Safari 14.1)

createImageBitmap

createImageBitmap (Chrome 50, Firefox 42, Safari 15)
options.imageOrientation parameter (Chrome 52, Firefox 93, Safari 15)

crossOriginIsolated

crossOriginIsolated (Chrome 87, Firefox 72, Safari 15.2)

CSSConditionRule

CSSConditionRule (Chrome 56, Firefox 20, Safari 14.1)
CSSConditionRule.conditionText (Chrome 56, Firefox 20, Safari 14.1)

EXT_color_buffer_float

EXT_color_buffer_float (Chrome 56, Firefox 51, Safari 15)

EXT_float_blend

EXT_float_blend (Chrome 75, Firefox 67, Safari 14.1)

FormDataEvent

FormDataEvent (Chrome 77, Firefox 72, Safari 15)
FormDataEvent.formData (Chrome 77, Firefox 72, Safari 15)
FormDataEvent() constructor (Chrome 77, Firefox 72, Safari 15)

IIRFilterNode

IIRFilterNode (Chrome 49, Firefox 50, Safari 14.1)
IIRFilterNode.getFrequencyResponse (Chrome 49, Firefox 50, Safari 14.1)
IIRFilterNode() constructor (Chrome 55, Firefox 53, Safari 14.1)

ImageBitmap

ImageBitmap (Chrome 50, Firefox 42, Safari 15)
ImageBitmap.close (Chrome 52, Firefox 46, Safari 15)
ImageBitmap.height (Chrome 50, Firefox 42, Safari 15)
ImageBitmap.width (Chrome 50, Firefox 42, Safari 15)

InputEvent

InputEvent.getTargetRanges (Chrome 60, Firefox 87, Safari 10.1)

MediaRecorder

MediaRecorder (Chrome 47, Firefox 25, Safari 14.1)
MediaRecorder.audioBitsPerSecond (Chrome 49, Firefox 71, Safari 14.1)
dataavailable event (Chrome 49, Firefox 25, Safari 14.1)
error event (Chrome 49, Firefox 25, Safari 14.1)
isTypeSupported() static method (Chrome 47, Firefox 25, Safari 14.1)
MediaRecorder() constructor (Chrome 47, Firefox 25, Safari 14.1)
options parameter (Chrome 49, Firefox 43, Safari 14.1)
MediaRecorder.pause (Chrome 49, Firefox 25, Safari 14.1)
pause event (Chrome 49, Firefox 65, Safari 14.1)
MediaRecorder.requestData (Chrome 49, Firefox 25, Safari 14.1)
MediaRecorder.resume (Chrome 49, Firefox 25, Safari 14.1)
resume event (Chrome 49, Firefox 65, Safari 14.1)
MediaRecorder.start (Chrome 47, Firefox 25, Safari 14.1)
start event (Chrome 49, Firefox 25, Safari 14.1)
MediaRecorder.stop (Chrome 49, Firefox 25, Safari 14.1)
stop event (Chrome 49, Firefox 25, Safari 14.1)
MediaRecorder.videoBitsPerSecond (Chrome 49, Firefox 71, Safari 14.1)

MediaSession

MediaSession (Chrome 73, Firefox 82, Safari 15)
MediaSession.metadata (Chrome 73, Firefox 82, Safari 15)
MediaSession.playbackState (Chrome 73, Firefox 82, Safari 15)
setActionHandler() (Chrome 73, Firefox 82, Safari 15)
"nexttrack" type (Chrome 73, Firefox 82, Safari 15)
"pause" type (Chrome 73, Firefox 82, Safari 15)
"play" type (Chrome 73, Firefox 82, Safari 15)
"previoustrack" type (Chrome 73, Firefox 82, Safari 15)
"seekbackward" type (Chrome 73, Firefox 82, Safari 15)
"seekforward" type (Chrome 73, Firefox 82, Safari 15)
"seekto" type (Chrome 78, Firefox 82, Safari 15)
"stop" type (Chrome 77, Firefox 82, Safari 15)
setPositionState() (Chrome 81, Firefox 82, Safari 15)

MediaStreamAudioDestinationNode

MediaStreamAudioDestinationNode() constructor (Chrome 57, Firefox 53, Safari 14.1)

MediaStreamAudioSourceNode

MediaStreamAudioSourceNode() constructor (Chrome 55, Firefox 53, Safari 14.1)

OES_fbo_render_mipmap

OES_fbo_render_mipmap (Chrome 80, Firefox 71, Safari 14.1)

PerformanceNavigationTiming

PerformanceNavigationTiming (Chrome 57, Firefox 58, Safari 15)
PerformanceNavigationTiming.domComplete (Chrome 57, Firefox 58, Safari 15)
PerformanceNavigationTiming.domContentLoadedEventEnd (Chrome 57, Firefox 58, Safari 15)
PerformanceNavigationTiming.domContentLoadedEventStart (Chrome 57, Firefox 58, Safari 15)
PerformanceNavigationTiming.domInteractive (Chrome 57, Firefox 58, Safari 15)
PerformanceNavigationTiming.loadEventEnd (Chrome 57, Firefox 58, Safari 15)
PerformanceNavigationTiming.loadEventStart (Chrome 57, Firefox 58, Safari 15)
PerformanceNavigationTiming.redirectCount (Chrome 57, Firefox 58, Safari 15)
PerformanceNavigationTiming.toJSON (Chrome 57, Firefox 58, Safari 15)
PerformanceNavigationTiming.type (Chrome 57, Firefox 58, Safari 15)
PerformanceNavigationTiming.unloadEventEnd (Chrome 57, Firefox 58, Safari 15)
PerformanceNavigationTiming.unloadEventStart (Chrome 57, Firefox 58, Safari 15)

PerformanceObserver

PerformanceObserver.takeRecords (Chrome 65, Firefox 60, Safari 15)

PerformancePaintTiming

PerformancePaintTiming (Chrome 60, Firefox 84, Safari 14.1)
PerformancePaintTiming.toJSON (Chrome 60, Firefox 84, Safari 14.1)

RTCRtpSender

rtcp property in returned object (Chrome 69, Firefox 46, Safari 15)

RTCRtpTransceiver

stop() (Chrome 88, Firefox 59, Safari 11)

RTCStatsReport

id in 'remote-inbound-rtp' stats (Chrome 80, Firefox 72, Safari 14.1)
localId in 'remote-inbound-rtp' stats (Chrome 80, Firefox 72, Safari 14.1)
timestamp in 'remote-inbound-rtp' stats (Chrome 80, Firefox 72, Safari 14.1)
type in 'remote-inbound-rtp' stats (Chrome 80, Firefox 72, Safari 14.1)
remote-outbound-rtp stats (Chrome 91, Firefox 27, Safari 11)
kind in 'remote-outbound-rtp' stats (Chrome 91, Firefox 63, Safari 14)
ssrc in 'remote-outbound-rtp' stats (Chrome 91, Firefox 27, Safari 11)

SecurityPolicyViolationEvent

SecurityPolicyViolationEvent.disposition (Chrome 56, Firefox 63, Safari 15)
SecurityPolicyViolationEvent.sample (Chrome 59, Firefox 63, Safari 15)

ShadowRoot

ShadowRoot.delegatesFocus (Chrome 53, Firefox 94, Safari 15)

StaticRange

StaticRange() constructor (Chrome 90, Firefox 71, Safari 13.1)

StereoPannerNode

StereoPannerNode (Chrome 41, Firefox 37, Safari 14.1)
StereoPannerNode.pan (Chrome 41, Firefox 37, Safari 14.1)
StereoPannerNode() constructor (Chrome 55, Firefox 53, Safari 14.1)

StorageManager

StorageManager (Chrome 55, Firefox 57, Safari 15.2)
StorageManager.persist (Chrome 55, Firefox 57, Safari 15.2)
StorageManager.persisted (Chrome 55, Firefox 57, Safari 15.2)

SubmitEvent

SubmitEvent (Chrome 81, Firefox 75, Safari 15)
SubmitEvent() constructor (Chrome 81, Firefox 75, Safari 15)

TextEncoder

TextEncoder.encodeInto (Chrome 74, Firefox 66, Safari 14.1)

VisualViewport

VisualViewport (Chrome 61, Firefox 91, Safari 13)
VisualViewport.height (Chrome 61, Firefox 91, Safari 13)
VisualViewport.offsetLeft (Chrome 61, Firefox 91, Safari 13)
VisualViewport.offsetTop (Chrome 61, Firefox 91, Safari 13)
VisualViewport.pageLeft (Chrome 61, Firefox 91, Safari 13)
VisualViewport.pageTop (Chrome 61, Firefox 91, Safari 13)
VisualViewport.scale (Chrome 61, Firefox 91, Safari 13)
VisualViewport.width (Chrome 61, Firefox 91, Safari 13)

WEBGL_compressed_texture_s3tc_srgb

WEBGL_compressed_texture_s3tc_srgb (Chrome 60, Firefox 55, Safari 14.1)

WebGL2RenderingContext

WebGL2RenderingContext (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.activeTexture (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.attachShader (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.beginQuery (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.beginTransformFeedback (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.bindAttribLocation (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.bindBuffer (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.bindBufferBase (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.bindBufferRange (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.bindFramebuffer (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.bindRenderbuffer (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.bindSampler (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.bindTexture (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.bindTransformFeedback (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.bindVertexArray (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.blendColor (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.blendEquation (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.blendEquationSeparate (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.blendFunc (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.blendFuncSeparate (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.blitFramebuffer (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.bufferData (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.bufferSubData (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.canvas (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.checkFramebufferStatus (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.clear (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.clearBufferfi (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.clearBufferfv (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.clearBufferiv (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.clearBufferuiv (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.clearColor (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.clearDepth (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.clearStencil (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.clientWaitSync (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.colorMask (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.compileShader (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.compressedTexImage2D (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.compressedTexImage3D (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.compressedTexSubImage2D (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.compressedTexSubImage3D (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.copyBufferSubData (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.copyTexImage2D (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.copyTexSubImage2D (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.copyTexSubImage3D (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.createBuffer (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.createFramebuffer (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.createProgram (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.createQuery (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.createRenderbuffer (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.createSampler (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.createShader (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.createTexture (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.createTransformFeedback (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.createVertexArray (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.cullFace (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.deleteBuffer (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.deleteFramebuffer (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.deleteProgram (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.deleteQuery (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.deleteRenderbuffer (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.deleteSampler (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.deleteShader (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.deleteSync (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.deleteTexture (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.deleteTransformFeedback (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.deleteVertexArray (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.depthFunc (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.depthMask (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.depthRange (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.detachShader (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.disable (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.disableVertexAttribArray (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.drawArrays (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.drawArraysInstanced (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.drawBuffers (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.drawElements (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.drawElementsInstanced (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.drawingBufferHeight (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.drawingBufferWidth (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.drawRangeElements (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.enable (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.enableVertexAttribArray (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.endQuery (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.endTransformFeedback (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.fenceSync (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.finish (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.flush (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.framebufferRenderbuffer (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.framebufferTexture2D (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.framebufferTextureLayer (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.frontFace (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.generateMipmap (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getActiveAttrib (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getActiveUniform (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getActiveUniformBlockName (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getActiveUniformBlockParameter (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getActiveUniforms (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getAttachedShaders (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getAttribLocation (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getBufferParameter (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getBufferSubData (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getContextAttributes (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getError (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getExtension (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getFragDataLocation (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getFramebufferAttachmentParameter (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getIndexedParameter (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getInternalformatParameter (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getParameter (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getProgramInfoLog (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getProgramParameter (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getQuery (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getQueryParameter (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getRenderbufferParameter (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getSamplerParameter (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getShaderInfoLog (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getShaderParameter (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getShaderPrecisionFormat (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getShaderSource (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getSupportedExtensions (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getSyncParameter (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getTexParameter (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getTransformFeedbackVarying (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getUniform (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getUniformBlockIndex (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getUniformIndices (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getUniformLocation (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getVertexAttrib (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.getVertexAttribOffset (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.hint (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.invalidateFramebuffer (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.invalidateSubFramebuffer (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.isBuffer (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.isContextLost (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.isEnabled (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.isFramebuffer (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.isProgram (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.isQuery (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.isRenderbuffer (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.isSampler (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.isShader (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.isSync (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.isTexture (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.isTransformFeedback (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.isVertexArray (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.lineWidth (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.linkProgram (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.pauseTransformFeedback (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.pixelStorei (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.polygonOffset (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.readBuffer (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.readPixels (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.renderbufferStorage (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.renderbufferStorageMultisample (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.resumeTransformFeedback (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.sampleCoverage (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.samplerParameterf (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.samplerParameteri (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.scissor (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.shaderSource (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.stencilFunc (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.stencilFuncSeparate (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.stencilMask (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.stencilMaskSeparate (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.stencilOp (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.stencilOpSeparate (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.texImage2D (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.texImage3D (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.texParameterf (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.texParameteri (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.texStorage2D (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.texStorage3D (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.texSubImage2D (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.texSubImage3D (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.transformFeedbackVaryings (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniform1f (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniform1fv (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniform1i (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniform1iv (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniform1ui (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniform1uiv (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniform2f (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniform2fv (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniform2i (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniform2iv (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniform2ui (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniform2uiv (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniform3f (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniform3fv (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniform3i (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniform3iv (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniform3ui (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniform3uiv (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniform4f (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniform4fv (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniform4i (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniform4iv (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniform4ui (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniform4uiv (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniformBlockBinding (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniformMatrix2fv (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniformMatrix2x3fv (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniformMatrix2x4fv (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniformMatrix3fv (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniformMatrix3x2fv (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniformMatrix3x4fv (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniformMatrix4fv (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniformMatrix4x2fv (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.uniformMatrix4x3fv (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.useProgram (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.validateProgram (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.vertexAttrib1f (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.vertexAttrib1fv (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.vertexAttrib2f (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.vertexAttrib2fv (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.vertexAttrib3f (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.vertexAttrib3fv (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.vertexAttrib4f (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.vertexAttrib4fv (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.vertexAttribDivisor (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.vertexAttribI4i (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.vertexAttribI4iv (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.vertexAttribI4ui (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.vertexAttribI4uiv (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.vertexAttribIPointer (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.vertexAttribPointer (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.viewport (Chrome 56, Firefox 51, Safari 15)
WebGL2RenderingContext.waitSync (Chrome 56, Firefox 51, Safari 15)

WebGLQuery

WebGLQuery (Chrome 56, Firefox 51, Safari 15)

WebGLSampler

WebGLSampler (Chrome 56, Firefox 51, Safari 15)

WebGLSync

WebGLSync (Chrome 56, Firefox 51, Safari 15)

WebGLTransformFeedback

WebGLTransformFeedback (Chrome 56, Firefox 51, Safari 15)

WebGLVertexArrayObject

WebGLVertexArrayObject (Chrome 56, Firefox 51, Safari 15)

Worklet

Worklet (Chrome 65, Firefox 76, Safari 14.1)
Worklet.addModule (Chrome 65, Firefox 76, Safari 14.1)

WorkletGlobalScope

WorkletGlobalScope (Chrome 65, Firefox 76, Safari 14.1)

2020

Animation

Animation (Chrome 75, Firefox 48, Safari 13.1)
Animation() constructor (Chrome 75, Firefox 48, Safari 13.1)
Animation.cancel (Chrome 75, Firefox 48, Safari 13.1)
cancel event (Chrome 75, Firefox 48, Safari 13.1)
Animation.commitStyles (Chrome 84, Firefox 75, Safari 13.1)
Animation.currentTime (Chrome 75, Firefox 48, Safari 13.1)
Animation.effect (Chrome 75, Firefox 63, Safari 13.1)
Animation.finish (Chrome 75, Firefox 48, Safari 13.1)
finish event (Chrome 75, Firefox 48, Safari 13.1)
Animation.finished (Chrome 84, Firefox 63, Safari 13.1)
Animation.id (Chrome 75, Firefox 48, Safari 13.1)
Animation.pause (Chrome 75, Firefox 48, Safari 13.1)
Animation.pending (Chrome 76, Firefox 59, Safari 13.1)
Animation.persist (Chrome 84, Firefox 75, Safari 13.1)
Animation.play (Chrome 75, Firefox 48, Safari 13.1)
Animation.playbackRate (Chrome 75, Firefox 48, Safari 13.1)
Animation.playState (Chrome 75, Firefox 48, Safari 13.1)
Animation.ready (Chrome 84, Firefox 63, Safari 13.1)
remove event (Chrome 84, Firefox 75, Safari 13.1)
Browsers automatically remove indefinite filling animations (Chrome 84, Firefox 75, Safari 13.1)
Animation.replaceState (Chrome 84, Firefox 75, Safari 13.1)
Animation.reverse (Chrome 75, Firefox 48, Safari 13.1)
Animation.startTime (Chrome 75, Firefox 48, Safari 13.1)
Animation.timeline (Chrome 84, Firefox 75, Safari 13.1)
Animation.updatePlaybackRate (Chrome 76, Firefox 60, Safari 13.1)

AnimationPlaybackEvent

AnimationPlaybackEvent (Chrome 84, Firefox 63, Safari 13.1)
AnimationPlaybackEvent() constructor (Chrome 84, Firefox 63, Safari 13.1)
AnimationPlaybackEvent.currentTime (Chrome 84, Firefox 63, Safari 13.1)
AnimationPlaybackEvent.timelineTime (Chrome 84, Firefox 63, Safari 13.1)

AnimationTimeline

AnimationTimeline (Chrome 84, Firefox 75, Safari 13.1)
AnimationTimeline.currentTime (Chrome 84, Firefox 75, Safari 13.1)

BlobEvent

BlobEvent (Chrome 49, Firefox 21, Safari 14)
BlobEvent() constructor (Chrome 49, Firefox 21, Safari 14)
BlobEvent.data (Chrome 49, Firefox 21, Safari 14)

Clipboard

Clipboard (Chrome 66, Firefox 63, Safari 13.1)
Clipboard.writeText (Chrome 66, Firefox 63, Safari 13.1)

CSSAnimation

CSSAnimation (Chrome 84, Firefox 75, Safari 13.1)
CSSAnimation.animationName (Chrome 84, Firefox 75, Safari 13.1)

CSSTransition

CSSTransition (Chrome 84, Firefox 75, Safari 13.1)
CSSTransition.transitionProperty (Chrome 84, Firefox 75, Safari 13.1)

DocumentTimeline

DocumentTimeline (Chrome 84, Firefox 75, Safari 13.1)
DocumentTimeline() constructor (Chrome 84, Firefox 75, Safari 13.1)

DragEvent

DragEvent (Chrome 46, Firefox 3.5, Safari 14)
DragEvent.dataTransfer (Chrome 46, Firefox 3.5, Safari 14)
DragEvent() constructor (Chrome 46, Firefox 3.5, Safari 14)

IntersectionObserver

options.root parameter can be a Document (Chrome 81, Firefox 76, Safari 14)

KeyframeEffect

KeyframeEffect (Chrome 75, Firefox 63, Safari 13.1)
KeyframeEffect.getKeyframes (Chrome 84, Firefox 63, Safari 13.1)
KeyframeEffect() constructor (Chrome 75, Firefox 63, Safari 13.1)
KeyframeEffect.pseudoElement (Chrome 84, Firefox 75, Safari 14)
KeyframeEffect.setKeyframes (Chrome 84, Firefox 63, Safari 13.1)
KeyframeEffect.target (Chrome 75, Firefox 63, Safari 13.1)

MediaMetadata

MediaMetadata (Chrome 57, Firefox 82, Safari 14)
MediaMetadata.album (Chrome 57, Firefox 82, Safari 14)
MediaMetadata.artist (Chrome 57, Firefox 82, Safari 14)
MediaMetadata.artwork (Chrome 57, Firefox 82, Safari 14)
MediaMetadata() constructor (Chrome 57, Firefox 82, Safari 14)
MediaMetadata.title (Chrome 57, Firefox 82, Safari 14)

MediaQueryListEvent

MediaQueryListEvent (Chrome 39, Firefox 55, Safari 14)
MediaQueryListEvent.matches (Chrome 39, Firefox 55, Safari 14)
MediaQueryListEvent.media (Chrome 39, Firefox 55, Safari 14)
MediaQueryListEvent() constructor (Chrome 39, Firefox 55, Safari 14)

ResizeObserver

ResizeObserver (Chrome 64, Firefox 69, Safari 13.1)
ResizeObserver.disconnect (Chrome 64, Firefox 69, Safari 13.1)
ResizeObserver.observe (Chrome 64, Firefox 69, Safari 13.1)
ResizeObserver() constructor (Chrome 64, Firefox 69, Safari 13.1)
ResizeObserver.unobserve (Chrome 64, Firefox 69, Safari 13.1)

ResizeObserverEntry

ResizeObserverEntry (Chrome 64, Firefox 69, Safari 13.1)
ResizeObserverEntry.contentRect (Chrome 64, Firefox 69, Safari 13.1)
ResizeObserverEntry.target (Chrome 64, Firefox 69, Safari 13.1)

RTCDTMFSender

RTCDTMFSender (Chrome 27, Firefox 52, Safari 13.1)
RTCDTMFSender.insertDTMF (Chrome 27, Firefox 52, Safari 13.1)
RTCDTMFSender.toneBuffer (Chrome 27, Firefox 52, Safari 13.1)
tonechange event (Chrome 27, Firefox 52, Safari 13.1)

RTCDTMFToneChangeEvent

RTCDTMFToneChangeEvent (Chrome 27, Firefox 52, Safari 13.1)
RTCDTMFToneChangeEvent() constructor (Chrome 27, Firefox 52, Safari 13.1)
RTCDTMFToneChangeEvent.tone (Chrome 27, Firefox 52, Safari 13.1)

RTCRtpSender

RTCRtpSender.dtmf (Chrome 66, Firefox 52, Safari 13.1)

RTCStatsReport

id in 'candidate-pair' stats (Chrome 80, Firefox 72, Safari 13.1)
timestamp in 'candidate-pair' stats (Chrome 80, Firefox 72, Safari 13.1)
type in 'candidate-pair' stats (Chrome 80, Firefox 72, Safari 13.1)
data-channel stats (Chrome 80, Firefox 79, Safari 13.1)
bytesReceived in 'data-channel' stats (Chrome 80, Firefox 79, Safari 13.1)
bytesSent in 'data-channel' stats (Chrome 80, Firefox 79, Safari 13.1)
id in 'data-channel' stats (Chrome 80, Firefox 79, Safari 13.1)
label in 'data-channel' stats (Chrome 80, Firefox 79, Safari 13.1)
messagesReceived in 'data-channel' stats (Chrome 80, Firefox 79, Safari 13.1)
messagesSent in 'data-channel' stats (Chrome 80, Firefox 79, Safari 13.1)
protocol in 'data-channel' stats (Chrome 80, Firefox 79, Safari 13.1)
state in 'data-channel' stats (Chrome 80, Firefox 79, Safari 13.1)
timestamp in 'data-channel' stats (Chrome 80, Firefox 79, Safari 13.1)
type in 'data-channel' stats (Chrome 80, Firefox 79, Safari 13.1)
bytesReceived in 'inbound-rtp' stats (Chrome 79, Firefox 27, Safari 13.1)
id in 'inbound-rtp' stats (Chrome 80, Firefox 72, Safari 13.1)
jitter in 'inbound-rtp' stats (Chrome 80, Firefox 27, Safari 13.1)
kind in 'inbound-rtp' stats (Chrome 80, Firefox 63, Safari 14)
packetsLost in 'inbound-rtp' stats (Chrome 80, Firefox 72, Safari 13.1)
packetsReceived in 'inbound-rtp' stats (Chrome 80, Firefox 72, Safari 13.1)
ssrc in 'inbound-rtp' stats (Chrome 80, Firefox 27, Safari 11)
timestamp in 'inbound-rtp' stats (Chrome 80, Firefox 72, Safari 13.1)
type in 'inbound-rtp' stats (Chrome 80, Firefox 72, Safari 13.1)
local-candidate stats (Chrome 80, Firefox 27, Safari 12.1)
candidateType in 'local-candidate' stats (Chrome 80, Firefox 27, Safari 12.1)
id in 'local-candidate' stats (Chrome 80, Firefox 72, Safari 13.1)
priority in 'local-candidate' stats (Chrome 80, Firefox 72, Safari 12.1)
timestamp in 'local-candidate' stats (Chrome 80, Firefox 72, Safari 13.1)
transportId in 'local-candidate' stats (Chrome 80, Firefox 31, Safari 12.1)
type in 'local-candidate' stats (Chrome 80, Firefox 72, Safari 13.1)
outbound-rtp stats (Chrome 80, Firefox 27, Safari 11)
bytesSent in 'outbound-rtp' stats (Chrome 80, Firefox 72, Safari 13.1)
framesEncoded in 'outbound-rtp' stats (Chrome 80, Firefox 55, Safari 11)
id in 'outbound-rtp' stats (Chrome 80, Firefox 72, Safari 13.1)
kind in 'outbound-rtp' stats (Chrome 80, Firefox 63, Safari 14)
packetsSent in 'outbound-rtp' stats (Chrome 80, Firefox 27, Safari 13.1)
ssrc in 'outbound-rtp' stats (Chrome 80, Firefox 27, Safari 11)
timestamp in 'outbound-rtp' stats (Chrome 80, Firefox 72, Safari 13.1)
type in 'outbound-rtp' stats (Chrome 80, Firefox 72, Safari 13.1)
remote-candidate stats (Chrome 80, Firefox 27, Safari 12.1)
candidateType in 'remote-candidate' stats (Chrome 80, Firefox 27, Safari 12.1)
id in 'remote-candidate' stats (Chrome 80, Firefox 72, Safari 13.1)
priority in 'remote-candidate' stats (Chrome 80, Firefox 72, Safari 12.1)
timestamp in 'remote-candidate' stats (Chrome 80, Firefox 72, Safari 13.1)
transportId in 'remote-candidate' stats (Chrome 80, Firefox 31, Safari 12.1)
type in 'remote-candidate' stats (Chrome 80, Firefox 72, Safari 13.1)
remote-inbound-rtp stats (Chrome 80, Firefox 27, Safari 11)
kind in 'remote-inbound-rtp' stats (Chrome 80, Firefox 63, Safari 14)
ssrc in 'remote-inbound-rtp' stats (Chrome 80, Firefox 27, Safari 11)

ServiceWorkerGlobalScope

messageerror event (Chrome 81, Firefox 65, Safari 11.1)

ShadowRoot

ShadowRoot.getAnimations (Chrome 84, Firefox 75, Safari 14)

WEBGL_color_buffer_float

WEBGL_color_buffer_float (Chrome 63, Firefox 30, Safari 14)

WEBGL_debug_shaders

WEBGL_debug_shaders (Chrome 47, Firefox 56, Safari 14)
WEBGL_debug_shaders.getTranslatedShaderSource (Chrome 47, Firefox 56, Safari 14)

2019

AuthenticatorAssertionResponse

AuthenticatorAssertionResponse (Chrome 67, Firefox 60, Safari 13)
AuthenticatorAssertionResponse.authenticatorData (Chrome 67, Firefox 60, Safari 13)
AuthenticatorAssertionResponse.signature (Chrome 67, Firefox 60, Safari 13)
AuthenticatorAssertionResponse.userHandle (Chrome 67, Firefox 60, Safari 13)

AuthenticatorAttestationResponse

AuthenticatorAttestationResponse (Chrome 67, Firefox 60, Safari 13)
AuthenticatorAttestationResponse.attestationObject (Chrome 67, Firefox 60, Safari 13)

AuthenticatorResponse

AuthenticatorResponse (Chrome 67, Firefox 60, Safari 13)
AuthenticatorResponse.clientDataJSON (Chrome 67, Firefox 60, Safari 13)

ByteLengthQueuingStrategy

ByteLengthQueuingStrategy (Chrome 52, Firefox 65, Safari 10.1)
ByteLengthQueuingStrategy() constructor (Chrome 52, Firefox 65, Safari 10.1)
ByteLengthQueuingStrategy.highWaterMark (Chrome 52, Firefox 65, Safari 10.1)
ByteLengthQueuingStrategy.size (Chrome 52, Firefox 65, Safari 10.1)

CountQueuingStrategy

CountQueuingStrategy (Chrome 52, Firefox 65, Safari 10.1)
CountQueuingStrategy() constructor (Chrome 52, Firefox 65, Safari 10.1)
CountQueuingStrategy.highWaterMark (Chrome 52, Firefox 65, Safari 10.1)
CountQueuingStrategy.size (Chrome 52, Firefox 65, Safari 10.1)

Credential

Credential (Chrome 51, Firefox 60, Safari 13)
Credential.id (Chrome 51, Firefox 60, Safari 13)
Credential.type (Chrome 51, Firefox 60, Safari 13)

CredentialsContainer

CredentialsContainer (Chrome 51, Firefox 60, Safari 13)
CredentialsContainer.create (Chrome 60, Firefox 60, Safari 13)
publicKey option (Chrome 67, Firefox 60, Safari 13)
attestation option (Chrome 67, Firefox 60, Safari 13)
CredentialsContainer.create.publicKey_option.attestation.direct (Chrome 67, Firefox 60, Safari 13)
CredentialsContainer.create.publicKey_option.attestation.enterprise (Chrome 67, Firefox 60, Safari 13)
CredentialsContainer.create.publicKey_option.attestation.indirect (Chrome 67, Firefox 60, Safari 13)
CredentialsContainer.create.publicKey_option.attestation.none (Chrome 67, Firefox 60, Safari 13)
create() extensions (Chrome 67, Firefox 60, Safari 13)
appidExclude extension (Chrome 67, Firefox 60, Safari 13)
CredentialsContainer.get (Chrome 51, Firefox 60, Safari 13)
publicKey option (Chrome 67, Firefox 60, Safari 13)
get() extensions (Chrome 67, Firefox 60, Safari 13)
appid extension (Chrome 67, Firefox 60, Safari 13)
CredentialsContainer.store (Chrome 51, Firefox 60, Safari 13)

CustomElementRegistry

CustomElementRegistry.upgrade (Chrome 68, Firefox 63, Safari 12.1)

DOMMatrixReadOnly

fromFloat32Array() static method (Chrome 61, Firefox 69, Safari 11)
fromFloat64Array() static method (Chrome 61, Firefox 69, Safari 11)
fromMatrix() static method (Chrome 61, Firefox 69, Safari 11)
Available in workers (Chrome 61, Firefox 69, Safari 11)

DOMPoint

Available in workers (Chrome 61, Firefox 69, Safari 10.1)

DOMPointReadOnly

matrixTransform() (Chrome 61, Firefox 69, Safari 11)
Available in workers (Chrome 61, Firefox 69, Safari 10.1)

DOMQuad

fromQuad() static method (Chrome 61, Firefox 69, Safari 11)
fromRect() static method (Chrome 61, Firefox 69, Safari 11)
Available in workers (Chrome 61, Firefox 69, Safari 11)

HTMLDataListElement

HTMLDataListElement (Chrome 20, Firefox 4, Safari 12.1)
HTMLDataListElement.options (Chrome 20, Firefox 4, Safari 12.1)

HTMLMarqueeElement

HTMLMarqueeElement (Chrome 1, Firefox 65, Safari 1.2)
HTMLMarqueeElement.behavior (Chrome 10, Firefox 65, Safari 5.1)
HTMLMarqueeElement.bgColor (Chrome 10, Firefox 65, Safari 5.1)
HTMLMarqueeElement.direction (Chrome 10, Firefox 65, Safari 5.1)
HTMLMarqueeElement.height (Chrome 10, Firefox 65, Safari 5.1)
HTMLMarqueeElement.hspace (Chrome 10, Firefox 65, Safari 5.1)
HTMLMarqueeElement.loop (Chrome 10, Firefox 65, Safari 5.1)
HTMLMarqueeElement.scrollAmount (Chrome 10, Firefox 65, Safari 5.1)
HTMLMarqueeElement.scrollDelay (Chrome 10, Firefox 65, Safari 5.1)
HTMLMarqueeElement.start (Chrome 1, Firefox 65, Safari 1.2)
HTMLMarqueeElement.stop (Chrome 1, Firefox 65, Safari 1.2)
HTMLMarqueeElement.trueSpeed (Chrome 10, Firefox 65, Safari 5.1)
HTMLMarqueeElement.vspace (Chrome 10, Firefox 65, Safari 5.1)
HTMLMarqueeElement.width (Chrome 10, Firefox 65, Safari 5.1)

HTMLSlotElement

HTMLSlotElement.assignedElements (Chrome 65, Firefox 66, Safari 12.1)

InputEvent

InputEvent.data (Chrome 60, Firefox 67, Safari 10.1)
InputEvent.dataTransfer (Chrome 60, Firefox 67, Safari 10.1)
InputEvent.inputType (Chrome 60, Firefox 66, Safari 10.1)

IntersectionObserver

IntersectionObserver (Chrome 51, Firefox 55, Safari 12.1)
IntersectionObserver.disconnect (Chrome 51, Firefox 55, Safari 12.1)
IntersectionObserver() constructor (Chrome 51, Firefox 55, Safari 12.1)
IntersectionObserver.observe (Chrome 51, Firefox 55, Safari 12.1)
IntersectionObserver.root (Chrome 51, Firefox 55, Safari 12.1)
IntersectionObserver.rootMargin (Chrome 51, Firefox 55, Safari 12.1)
IntersectionObserver.takeRecords (Chrome 51, Firefox 55, Safari 12.1)
IntersectionObserver.thresholds (Chrome 52, Firefox 55, Safari 12.1)
IntersectionObserver.unobserve (Chrome 51, Firefox 55, Safari 12.1)

IntersectionObserverEntry

IntersectionObserverEntry (Chrome 51, Firefox 55, Safari 12.1)
IntersectionObserverEntry.boundingClientRect (Chrome 51, Firefox 55, Safari 12.1)
IntersectionObserverEntry.intersectionRatio (Chrome 51, Firefox 55, Safari 12.1)
IntersectionObserverEntry.intersectionRect (Chrome 51, Firefox 55, Safari 12.1)
IntersectionObserverEntry.isIntersecting (Chrome 58, Firefox 55, Safari 12.1)
IntersectionObserverEntry.rootBounds (Chrome 51, Firefox 55, Safari 12.1)
IntersectionObserverEntry.target (Chrome 51, Firefox 55, Safari 12.1)
IntersectionObserverEntry.time (Chrome 51, Firefox 55, Safari 12.1)

MediaCapabilities

MediaCapabilities (Chrome 66, Firefox 63, Safari 13)
MediaCapabilities.decodingInfo (Chrome 66, Firefox 63, Safari 13)

MediaDevices

Secure context required (Chrome 53, Firefox 68, Safari 11)

MediaEncryptedEvent

MediaEncryptedEvent (Chrome 42, Firefox 38, Safari 12.1)
MediaEncryptedEvent.initData (Chrome 42, Firefox 38, Safari 12.1)
MediaEncryptedEvent.initDataType (Chrome 42, Firefox 38, Safari 12.1)
MediaEncryptedEvent() constructor (Chrome 42, Firefox 38, Safari 12.1)

MediaKeyMessageEvent

MediaKeyMessageEvent (Chrome 42, Firefox 38, Safari 12.1)
MediaKeyMessageEvent() constructor (Chrome 42, Firefox 38, Safari 12.1)
MediaKeyMessageEvent.message (Chrome 42, Firefox 38, Safari 12.1)
MediaKeyMessageEvent.messageType (Chrome 42, Firefox 38, Safari 12.1)

MediaKeys

MediaKeys (Chrome 42, Firefox 38, Safari 12.1)
MediaKeys.createSession (Chrome 42, Firefox 38, Safari 12.1)
MediaKeys.setServerCertificate (Chrome 42, Firefox 38, Safari 12.1)

MediaKeySession

MediaKeySession (Chrome 42, Firefox 38, Safari 12.1)
MediaKeySession.close (Chrome 42, Firefox 38, Safari 12.1)
MediaKeySession.closed (Chrome 42, Firefox 38, Safari 12.1)
MediaKeySession.expiration (Chrome 42, Firefox 38, Safari 12.1)
MediaKeySession.generateRequest (Chrome 42, Firefox 38, Safari 12.1)
MediaKeySession.keyStatuses (Chrome 42, Firefox 38, Safari 12.1)
MediaKeySession.load (Chrome 42, Firefox 38, Safari 12.1)
MediaKeySession.remove (Chrome 42, Firefox 38, Safari 12.1)
MediaKeySession.sessionId (Chrome 42, Firefox 38, Safari 12.1)
MediaKeySession.update (Chrome 42, Firefox 38, Safari 12.1)

MediaKeyStatusMap

MediaKeyStatusMap (Chrome 42, Firefox 38, Safari 12.1)
[Symbol.iterator] (Chrome 42, Firefox 45, Safari 12.1)
MediaKeyStatusMap.entries (Chrome 42, Firefox 38, Safari 12.1)
MediaKeyStatusMap.forEach (Chrome 42, Firefox 47, Safari 12.1)
MediaKeyStatusMap.get (Chrome 42, Firefox 45, Safari 12.1)
MediaKeyStatusMap.has (Chrome 42, Firefox 45, Safari 12.1)
MediaKeyStatusMap.keys (Chrome 42, Firefox 38, Safari 12.1)
MediaKeyStatusMap.size (Chrome 42, Firefox 38, Safari 12.1)
MediaKeyStatusMap.values (Chrome 42, Firefox 38, Safari 12.1)

MediaKeySystemAccess

MediaKeySystemAccess (Chrome 42, Firefox 38, Safari 12.1)
MediaKeySystemAccess.createMediaKeys (Chrome 42, Firefox 38, Safari 12.1)
MediaKeySystemAccess.getConfiguration (Chrome 42, Firefox 43, Safari 12.1)
MediaKeySystemAccess.keySystem (Chrome 42, Firefox 38, Safari 12.1)

MediaStreamAudioSourceNode

MediaStreamAudioSourceNode.mediaStream (Chrome 22, Firefox 70, Safari 11)

MediaStreamTrack

groupId constraint (Chrome 59, Firefox 70, Safari 11)

PaymentMethodChangeEvent

PaymentMethodChangeEvent (Chrome 76, Firefox 55, Safari 12.1)
PaymentMethodChangeEvent.methodDetails (Chrome 76, Firefox 55, Safari 12.1)
PaymentMethodChangeEvent.methodName (Chrome 76, Firefox 55, Safari 12.1)
PaymentMethodChangeEvent() constructor (Chrome 76, Firefox 55, Safari 12.1)

PaymentRequest

paymentmethodchange event (Chrome 76, Firefox 55, Safari 12.1)

PaymentResponse

payerdetailchange event (Chrome 78, Firefox 55, Safari 12.1)
PaymentResponse.retry (Chrome 78, Firefox 55, Safari 12.1)

PerformanceObserver

supportedEntryTypes() static method (Chrome 73, Firefox 68, Safari 13)

PointerEvent

PointerEvent (Chrome 55, Firefox 59, Safari 13)
PointerEvent.height (Chrome 55, Firefox 59, Safari 13)
PointerEvent.isPrimary (Chrome 55, Firefox 59, Safari 13)
PointerEvent() constructor (Chrome 55, Firefox 59, Safari 13)
PointerEvent.pointerId (Chrome 55, Firefox 59, Safari 13)
PointerEvent.pointerType (Chrome 55, Firefox 59, Safari 13)
PointerEvent.pressure (Chrome 55, Firefox 59, Safari 13)
PointerEvent.tangentialPressure (Chrome 57, Firefox 59, Safari 13)
PointerEvent.tiltX (Chrome 55, Firefox 59, Safari 13)
PointerEvent.tiltY (Chrome 55, Firefox 59, Safari 13)
PointerEvent.twist (Chrome 57, Firefox 59, Safari 13)
PointerEvent.width (Chrome 55, Firefox 59, Safari 13)

PromiseRejectionEvent

PromiseRejectionEvent (Chrome 49, Firefox 69, Safari 11)
PromiseRejectionEvent.promise (Chrome 49, Firefox 69, Safari 11)
PromiseRejectionEvent() constructor (Chrome 49, Firefox 69, Safari 11)
PromiseRejectionEvent.reason (Chrome 49, Firefox 69, Safari 11)

PublicKeyCredential

PublicKeyCredential (Chrome 67, Firefox 60, Safari 13)
getClientExtensionResults() method (Chrome 67, Firefox 60, Safari 13)
isUserVerifyingPlatformAuthenticatorAvailable() static method (Chrome 67, Firefox 60, Safari 13)
PublicKeyCredential.rawId (Chrome 67, Firefox 60, Safari 13)
PublicKeyCredential.response (Chrome 67, Firefox 60, Safari 13)

queueMicrotask

queueMicrotask (Chrome 71, Firefox 69, Safari 12.1)

ReadableStream

ReadableStream (Chrome 43, Firefox 65, Safari 10.1)
ReadableStream.cancel (Chrome 43, Firefox 65, Safari 10.1)
ReadableStream.getReader (Chrome 43, Firefox 65, Safari 10.1)
ReadableStream.locked (Chrome 52, Firefox 65, Safari 10.1)
ReadableStream() constructor (Chrome 52, Firefox 65, Safari 10.1)
ReadableStream.tee (Chrome 52, Firefox 65, Safari 10.1)

ReadableStreamDefaultController

ReadableStreamDefaultController (Chrome 52, Firefox 65, Safari 10)
ReadableStreamDefaultController.close (Chrome 52, Firefox 65, Safari 10)
ReadableStreamDefaultController.desiredSize (Chrome 52, Firefox 65, Safari 10)
ReadableStreamDefaultController.enqueue (Chrome 52, Firefox 65, Safari 10)
ReadableStreamDefaultController.error (Chrome 52, Firefox 65, Safari 10)

ReadableStreamDefaultReader

ReadableStreamDefaultReader (Chrome 43, Firefox 65, Safari 10)
ReadableStreamDefaultReader.cancel (Chrome 43, Firefox 65, Safari 10)
ReadableStreamDefaultReader.closed (Chrome 43, Firefox 65, Safari 10)
ReadableStreamDefaultReader.read (Chrome 43, Firefox 65, Safari 10)
ReadableStreamDefaultReader.releaseLock (Chrome 43, Firefox 65, Safari 10)

RTCCertificate

RTCCertificate (Chrome 49, Firefox 42, Safari 12.1)
RTCCertificate.expires (Chrome 49, Firefox 42, Safari 12.1)

RTCDataChannel

RTCDataChannel.negotiated (Chrome 30, Firefox 68, Safari 11)

RTCRtpReceiver

RTCRtpReceiver.getContributingSources (Chrome 59, Firefox 59, Safari 12.1)
Audio tracks supported (Chrome 59, Firefox 59, Safari 12.1)
audioLevel property in returned object (Chrome 73, Firefox 59, Safari 12.1)
source property in returned object (Chrome 59, Firefox 59, Safari 12.1)
timestamp property in returned object (Chrome 59, Firefox 59, Safari 12.1)
Video tracks supported (Chrome 73, Firefox 68, Safari 12.1)
RTCRtpReceiver.getStats (Chrome 67, Firefox 55, Safari 12.1)
RTCRtpReceiver.getSynchronizationSources (Chrome 73, Firefox 59, Safari 12.1)
Audio tracks supported (Chrome 73, Firefox 59, Safari 12.1)
Video tracks supported (Chrome 73, Firefox 68, Safari 12.1)

RTCRtpSender

encodings property in returned object (Chrome 69, Firefox 46, Safari 12.1)
getStats() (Chrome 67, Firefox 55, Safari 12.1)

RTCRtpTransceiver

RTCRtpTransceiver.currentDirection (Chrome 69, Firefox 59, Safari 12.1)

RTCStatsReport

inbound-rtp stats (Chrome 79, Firefox 27, Safari 11)
framesDecoded in 'inbound-rtp' stats (Chrome 79, Firefox 56, Safari 11)

ServiceWorkerContainer

ServiceWorkerContainer.startMessages (Chrome 74, Firefox 64, Safari 11.1)

ShadowRoot

ShadowRoot.styleSheets (Chrome 53, Firefox 63, Safari 12.1)

StaticRange

StaticRange (Chrome 60, Firefox 69, Safari 10.1)
StaticRange.collapsed (Chrome 60, Firefox 69, Safari 10.1)
StaticRange.endContainer (Chrome 60, Firefox 69, Safari 10.1)
StaticRange.endOffset (Chrome 60, Firefox 69, Safari 10.1)
StaticRange.startContainer (Chrome 60, Firefox 69, Safari 10.1)
StaticRange.startOffset (Chrome 60, Firefox 69, Safari 10.1)

2018

AbortSignal

AbortSignal (Chrome 66, Firefox 57, Safari 11.1)
abort event (Chrome 66, Firefox 57, Safari 11.1)
AbortSignal.aborted (Chrome 66, Firefox 57, Safari 11.1)

Cache

Cache (Chrome 40, Firefox 41, Safari 11.1)
Cache.add (Chrome 44, Firefox 41, Safari 11.1)
Cache.addAll (Chrome 46, Firefox 41, Safari 11.1)
Cache.delete (Chrome 43, Firefox 41, Safari 11.1)
Cache.keys (Chrome 43, Firefox 41, Safari 11.1)
Cache.match (Chrome 43, Firefox 41, Safari 11.1)
Cache.matchAll (Chrome 47, Firefox 41, Safari 11.1)
Cache.put (Chrome 43, Firefox 41, Safari 11.1)
Available in workers (Chrome 40, Firefox 44, Safari 11.1)

caches

caches (Chrome 40, Firefox 41, Safari 11.1)
Available in workers (Chrome 40, Firefox 41, Safari 11.1)

Client

Client (Chrome 40, Firefox 44, Safari 11.1)
Client.frameType (Chrome 43, Firefox 44, Safari 11.1)
Client.id (Chrome 40, Firefox 44, Safari 11.1)
Client.postMessage (Chrome 40, Firefox 44, Safari 11.1)
Client.type (Chrome 60, Firefox 54, Safari 11.1)
Client.url (Chrome 40, Firefox 44, Safari 11.1)

Clients

Clients (Chrome 40, Firefox 44, Safari 11.1)
Clients.claim (Chrome 42, Firefox 44, Safari 11.1)
Clients.get (Chrome 51, Firefox 45, Safari 11.1)
Clients.openWindow (Chrome 40, Firefox 44, Safari 11.1)

CSSNamespaceRule

CSSNamespaceRule.namespaceURI (Chrome 47, Firefox 59, Safari 10.1)
CSSNamespaceRule.prefix (Chrome 47, Firefox 59, Safari 10.1)

CustomElementRegistry

CustomElementRegistry (Chrome 54, Firefox 63, Safari 10.1)
CustomElementRegistry.define (Chrome 54, Firefox 63, Safari 10.1)
CustomElementRegistry.get (Chrome 54, Firefox 63, Safari 10.1)
CustomElementRegistry.whenDefined (Chrome 54, Firefox 63, Safari 10.1)

DataTransferItem

DataTransferItem.webkitGetAsEntry (Chrome 13, Firefox 50, Safari 11.1)

DOMMatrixReadOnly

DOMMatrixReadOnly() constructor (Chrome 61, Firefox 62, Safari 11)
DOMMatrixReadOnly.isIdentity (Chrome 61, Firefox 59, Safari 11)
toJSON() (Chrome 61, Firefox 62, Safari 11)

DOMPoint

fromPoint() static method (Chrome 61, Firefox 62, Safari 10.1)

DOMPointReadOnly

DOMPointReadOnly() constructor (Chrome 61, Firefox 62, Safari 10.1)
fromPoint() static method (Chrome 61, Firefox 62, Safari 10.1)
toJSON() (Chrome 61, Firefox 62, Safari 10.1)

DOMQuad

getBounds() (Chrome 61, Firefox 62, Safari 11)
toJSON() (Chrome 61, Firefox 62, Safari 11)

ExtendableEvent

ExtendableEvent (Chrome 40, Firefox 44, Safari 11.1)
ExtendableEvent() constructor (Chrome 41, Firefox 44, Safari 11.1)
ExtendableEvent.waitUntil (Chrome 40, Firefox 44, Safari 11.1)
waitUntil may be called asynchronously (Chrome 60, Firefox 53, Safari 11.1)

ExtendableMessageEvent

ExtendableMessageEvent (Chrome 51, Firefox 44, Safari 11.1)
ExtendableMessageEvent.data (Chrome 51, Firefox 44, Safari 11.1)
ExtendableMessageEvent() constructor (Chrome 51, Firefox 44, Safari 11.1)
ExtendableMessageEvent.lastEventId (Chrome 51, Firefox 44, Safari 11.1)
ExtendableMessageEvent.origin (Chrome 51, Firefox 44, Safari 11.1)
ExtendableMessageEvent.ports (Chrome 51, Firefox 44, Safari 11.1)
ExtendableMessageEvent.source (Chrome 51, Firefox 44, Safari 11.1)

fetch

init.referrerPolicy parameter (Chrome 52, Firefox 52, Safari 11.1)
init.signal parameter (Chrome 66, Firefox 57, Safari 11.1)

FetchEvent

FetchEvent (Chrome 40, Firefox 44, Safari 11.1)
FetchEvent.clientId (Chrome 49, Firefox 45, Safari 11.1)
FetchEvent() constructor (Chrome 44, Firefox 44, Safari 11.1)
FetchEvent.request (Chrome 40, Firefox 44, Safari 11.1)
FetchEvent.respondWith (Chrome 42, Firefox 44, Safari 11.1)

FileSystem

FileSystem (Chrome 7, Firefox 50, Safari 11.1)
FileSystem.name (Chrome 7, Firefox 50, Safari 11.1)
FileSystem.root (Chrome 7, Firefox 50, Safari 11.1)

FileSystemDirectoryEntry

FileSystemDirectoryEntry (Chrome 8, Firefox 50, Safari 11.1)
FileSystemDirectoryEntry.createReader (Chrome 13, Firefox 50, Safari 11.1)
FileSystemDirectoryEntry.getDirectory (Chrome 8, Firefox 50, Safari 11.1)
FileSystemDirectoryEntry.getFile (Chrome 8, Firefox 50, Safari 11.1)

FileSystemDirectoryReader

FileSystemDirectoryReader (Chrome 8, Firefox 50, Safari 11.1)
FileSystemDirectoryReader.readEntries (Chrome 8, Firefox 50, Safari 11.1)

FileSystemEntry

FileSystemEntry (Chrome 8, Firefox 50, Safari 11.1)
FileSystemEntry.filesystem (Chrome 8, Firefox 50, Safari 11.1)
FileSystemEntry.fullPath (Chrome 8, Firefox 50, Safari 11.1)
FileSystemEntry.getParent (Chrome 8, Firefox 52, Safari 11.1)
FileSystemEntry.isDirectory (Chrome 8, Firefox 50, Safari 11.1)
FileSystemEntry.isFile (Chrome 8, Firefox 50, Safari 11.1)
FileSystemEntry.name (Chrome 8, Firefox 50, Safari 11.1)

FileSystemFileEntry

FileSystemFileEntry (Chrome 8, Firefox 50, Safari 11.1)
FileSystemFileEntry.file (Chrome 8, Firefox 50, Safari 11.1)

FontFace

FontFace.display (Chrome 60, Firefox 58, Safari 11.1)

HTMLSlotElement

HTMLSlotElement (Chrome 53, Firefox 63, Safari 10)
HTMLSlotElement.assignedNodes (Chrome 53, Firefox 63, Safari 10)
HTMLSlotElement.name (Chrome 53, Firefox 63, Safari 10)

ImageBitmapRenderingContext

ImageBitmapRenderingContext (Chrome 66, Firefox 46, Safari 11.1)

InstallEvent

InstallEvent (Chrome 40, Firefox 44, Safari 11.1)

isSecureContext

isSecureContext (Chrome 47, Firefox 49, Safari 11.1)
Available in workers (Chrome 55, Firefox 52, Safari 11.1)

MediaStreamTrack

mute event (Chrome 26, Firefox 59, Safari 11)
MediaStreamTrack.muted (Chrome 38, Firefox 59, Safari 11)
unmute event (Chrome 26, Firefox 59, Safari 11)

PaymentRequest

PaymentRequest (Chrome 60, Firefox 55, Safari 11.1)
abort() (Chrome 60, Firefox 55, Safari 11.1)
canMakePayment() (Chrome 60, Firefox 55, Safari 11.1)
PaymentRequest.id (Chrome 60, Firefox 55, Safari 11.1)
PaymentRequest() constructor (Chrome 60, Firefox 55, Safari 11.1)
PaymentRequest.shippingAddress (Chrome 60, Firefox 55, Safari 11.1)
shippingaddresschange event (Chrome 60, Firefox 55, Safari 11.1)
PaymentRequest.shippingOption (Chrome 60, Firefox 55, Safari 11.1)
shippingoptionchange event (Chrome 60, Firefox 55, Safari 11.1)
PaymentRequest.shippingType (Chrome 60, Firefox 55, Safari 11.1)
PaymentRequest.show (Chrome 60, Firefox 55, Safari 11.1)

PaymentRequestUpdateEvent

PaymentRequestUpdateEvent (Chrome 60, Firefox 55, Safari 11.1)
PaymentRequestUpdateEvent() constructor (Chrome 60, Firefox 55, Safari 11.1)
updateWith() (Chrome 60, Firefox 55, Safari 11.1)

PaymentResponse

PaymentResponse (Chrome 60, Firefox 55, Safari 11.1)
complete() (Chrome 60, Firefox 55, Safari 11.1)
PaymentResponse.details (Chrome 60, Firefox 55, Safari 11.1)
PaymentResponse.methodName (Chrome 60, Firefox 55, Safari 11.1)
PaymentResponse.payerEmail (Chrome 60, Firefox 55, Safari 11.1)
PaymentResponse.payerName (Chrome 60, Firefox 55, Safari 11.1)
PaymentResponse.payerPhone (Chrome 60, Firefox 55, Safari 11.1)
PaymentResponse.requestId (Chrome 60, Firefox 55, Safari 11.1)
PaymentResponse.shippingAddress (Chrome 60, Firefox 55, Safari 11.1)
PaymentResponse.shippingOption (Chrome 60, Firefox 55, Safari 11.1)
toJSON() (Chrome 60, Firefox 55, Safari 11.1)

PerformanceResourceTiming

Available in workers (Chrome 43, Firefox 60, Safari 12)
PerformanceResourceTiming.workerStart (Chrome 46, Firefox 58, Safari 11)

RTCDataChannel

RTCDataChannel.maxPacketLifeTime (Chrome 56, Firefox 62, Safari 11)
RTCDataChannel.maxRetransmits (Chrome 30, Firefox 62, Safari 11)

RTCRtpSender

RTCRtpSender (Chrome 64, Firefox 34, Safari 11)
getParameters() (Chrome 68, Firefox 46, Safari 11)
headerExtensions property in returned object (Chrome 69, Firefox 46, Safari 11)
replaceTrack() (Chrome 65, Firefox 34, Safari 11)
RTCRtpSender.track (Chrome 64, Firefox 34, Safari 11)

RTCRtpTransceiver

RTCRtpTransceiver (Chrome 69, Firefox 59, Safari 11)
RTCRtpTransceiver.direction (Chrome 69, Firefox 59, Safari 11)
RTCRtpTransceiver.mid (Chrome 69, Firefox 59, Safari 11)
RTCRtpTransceiver.receiver (Chrome 69, Firefox 59, Safari 11)
RTCRtpTransceiver.sender (Chrome 69, Firefox 59, Safari 11)
RTCRtpTransceiver.stopped (Chrome 69, Firefox 59, Safari 11)

RTCTrackEvent

RTCTrackEvent() constructor (Chrome 64, Firefox 46, Safari 11)
RTCTrackEvent.transceiver (Chrome 69, Firefox 59, Safari 11)

SecurityPolicyViolationEvent

SecurityPolicyViolationEvent (Chrome 41, Firefox 63, Safari 10)
SecurityPolicyViolationEvent.blockedURI (Chrome 41, Firefox 63, Safari 10)
SecurityPolicyViolationEvent.columnNumber (Chrome 41, Firefox 63, Safari 10)
SecurityPolicyViolationEvent.documentURI (Chrome 41, Firefox 63, Safari 10)
SecurityPolicyViolationEvent.effectiveDirective (Chrome 41, Firefox 63, Safari 10)
SecurityPolicyViolationEvent.lineNumber (Chrome 41, Firefox 63, Safari 10)
SecurityPolicyViolationEvent.originalPolicy (Chrome 41, Firefox 63, Safari 10)
SecurityPolicyViolationEvent.referrer (Chrome 41, Firefox 63, Safari 10)
SecurityPolicyViolationEvent() constructor (Chrome 41, Firefox 63, Safari 10)
SecurityPolicyViolationEvent.sourceFile (Chrome 41, Firefox 63, Safari 10)
SecurityPolicyViolationEvent.statusCode (Chrome 41, Firefox 63, Safari 10)
SecurityPolicyViolationEvent.violatedDirective (Chrome 41, Firefox 63, Safari 10)

ServiceWorker

ServiceWorker (Chrome 40, Firefox 44, Safari 11.1)
error event (Chrome 40, Firefox 44, Safari 11.1)
ServiceWorker.postMessage (Chrome 40, Firefox 44, Safari 11.1)
ServiceWorker.scriptURL (Chrome 40, Firefox 44, Safari 11.1)
ServiceWorker.state (Chrome 40, Firefox 44, Safari 11.1)
statechange event (Chrome 40, Firefox 44, Safari 11.1)

ServiceWorkerContainer

ServiceWorkerContainer (Chrome 40, Firefox 44, Safari 11.1)
ServiceWorkerContainer.controller (Chrome 40, Firefox 44, Safari 11.1)
controllerchange event (Chrome 40, Firefox 44, Safari 11.1)
ServiceWorkerContainer.getRegistration (Chrome 40, Firefox 44, Safari 11.1)
ServiceWorkerContainer.getRegistrations (Chrome 45, Firefox 44, Safari 11.1)
message event (Chrome 40, Firefox 44, Safari 11.1)
ServiceWorkerContainer.ready (Chrome 40, Firefox 44, Safari 11.1)
ServiceWorkerContainer.register (Chrome 40, Firefox 44, Safari 11.1)

ServiceWorkerGlobalScope

ServiceWorkerGlobalScope (Chrome 40, Firefox 44, Safari 11.1)
activate event (Chrome 40, Firefox 44, Safari 11.1)
ServiceWorkerGlobalScope.clients (Chrome 40, Firefox 44, Safari 11.1)
fetch event (Chrome 40, Firefox 44, Safari 11.1)
install event (Chrome 40, Firefox 44, Safari 11.1)
message event (Chrome 40, Firefox 44, Safari 11.1)
ServiceWorkerGlobalScope.registration (Chrome 42, Firefox 44, Safari 11.1)
ServiceWorkerGlobalScope.skipWaiting (Chrome 41, Firefox 44, Safari 11.1)

ServiceWorkerRegistration

ServiceWorkerRegistration (Chrome 40, Firefox 44, Safari 11.1)
ServiceWorkerRegistration.active (Chrome 40, Firefox 44, Safari 11.1)
ServiceWorkerRegistration.installing (Chrome 40, Firefox 44, Safari 11.1)
ServiceWorkerRegistration.scope (Chrome 40, Firefox 44, Safari 11.1)
ServiceWorkerRegistration.unregister (Chrome 40, Firefox 44, Safari 11.1)
ServiceWorkerRegistration.update (Chrome 45, Firefox 44, Safari 11.1)
updatefound event (Chrome 40, Firefox 44, Safari 11.1)
ServiceWorkerRegistration.updateViaCache (Chrome 68, Firefox 57, Safari 11.1)
ServiceWorkerRegistration.waiting (Chrome 40, Firefox 44, Safari 11.1)

ShadowRoot

ShadowRoot (Chrome 53, Firefox 63, Safari 10)
ShadowRoot.activeElement (Chrome 53, Firefox 63, Safari 10)
ShadowRoot.elementFromPoint (Chrome 53, Firefox 63, Safari 10.1)
ShadowRoot.elementsFromPoint (Chrome 53, Firefox 63, Safari 11.1)
ShadowRoot.host (Chrome 53, Firefox 63, Safari 10)
ShadowRoot.innerHTML (Chrome 53, Firefox 63, Safari 10)
ShadowRoot.mode (Chrome 53, Firefox 63, Safari 10.1)
ShadowRoot.pointerLockElement (Chrome 53, Firefox 63, Safari 10.1)

WEBGL_compressed_texture_astc

WEBGL_compressed_texture_astc (Chrome 47, Firefox 53, Safari 12)
WEBGL_compressed_texture_astc.getSupportedProfiles (Chrome 47, Firefox 53, Safari 12)

WindowClient

WindowClient (Chrome 42, Firefox 44, Safari 11.1)
WindowClient.focus (Chrome 42, Firefox 44, Safari 11.1)
WindowClient.focused (Chrome 42, Firefox 44, Safari 11.1)
WindowClient.visibilityState (Chrome 42, Firefox 44, Safari 11.1)

2017

ClipboardEvent

ClipboardEvent (Chrome 41, Firefox 22, Safari 10.1)
ClipboardEvent.clipboardData (Chrome 41, Firefox 22, Safari 10.1)
ClipboardEvent() constructor (Chrome 58, Firefox 22, Safari 10.1)

CSSNamespaceRule

CSSNamespaceRule (Chrome 47, Firefox 53, Safari 10.1)

DOMMatrixReadOnly

DOMMatrixReadOnly (Chrome 61, Firefox 33, Safari 11)
DOMMatrixReadOnly.a (Chrome 61, Firefox 33, Safari 11)
DOMMatrixReadOnly.b (Chrome 61, Firefox 33, Safari 11)
DOMMatrixReadOnly.c (Chrome 61, Firefox 33, Safari 11)
DOMMatrixReadOnly.d (Chrome 61, Firefox 33, Safari 11)
DOMMatrixReadOnly.e (Chrome 61, Firefox 33, Safari 11)
DOMMatrixReadOnly.f (Chrome 61, Firefox 33, Safari 11)
flipX() (Chrome 61, Firefox 33, Safari 11)
flipY() (Chrome 61, Firefox 33, Safari 11)
inverse() (Chrome 61, Firefox 33, Safari 11)
DOMMatrixReadOnly.is2D (Chrome 61, Firefox 33, Safari 11)
DOMMatrixReadOnly.m11 (Chrome 61, Firefox 33, Safari 11)
DOMMatrixReadOnly.m12 (Chrome 61, Firefox 33, Safari 11)
DOMMatrixReadOnly.m13 (Chrome 61, Firefox 33, Safari 11)
DOMMatrixReadOnly.m14 (Chrome 61, Firefox 33, Safari 11)
DOMMatrixReadOnly.m21 (Chrome 61, Firefox 33, Safari 11)
DOMMatrixReadOnly.m22 (Chrome 61, Firefox 33, Safari 11)
DOMMatrixReadOnly.m23 (Chrome 61, Firefox 33, Safari 11)
DOMMatrixReadOnly.m24 (Chrome 61, Firefox 33, Safari 11)
DOMMatrixReadOnly.m31 (Chrome 61, Firefox 33, Safari 11)
DOMMatrixReadOnly.m32 (Chrome 61, Firefox 33, Safari 11)
DOMMatrixReadOnly.m33 (Chrome 61, Firefox 33, Safari 11)
DOMMatrixReadOnly.m34 (Chrome 61, Firefox 33, Safari 11)
DOMMatrixReadOnly.m41 (Chrome 61, Firefox 33, Safari 11)
DOMMatrixReadOnly.m42 (Chrome 61, Firefox 33, Safari 11)
DOMMatrixReadOnly.m43 (Chrome 61, Firefox 33, Safari 11)
DOMMatrixReadOnly.m44 (Chrome 61, Firefox 33, Safari 11)
multiply() (Chrome 61, Firefox 33, Safari 11)
rotate() (Chrome 61, Firefox 33, Safari 11)
rotateAxisAngle() (Chrome 61, Firefox 33, Safari 11)
rotateFromVector() (Chrome 61, Firefox 33, Safari 11)
scale() (Chrome 61, Firefox 33, Safari 11)
scale3d() (Chrome 61, Firefox 33, Safari 11)
skewX() (Chrome 61, Firefox 33, Safari 11)
skewY() (Chrome 61, Firefox 33, Safari 11)
toFloat32Array() (Chrome 61, Firefox 33, Safari 11)
toFloat64Array() (Chrome 61, Firefox 33, Safari 11)
toString() (Chrome 61, Firefox 33, Safari 11)
transformPoint() (Chrome 61, Firefox 33, Safari 11)
translate() (Chrome 61, Firefox 33, Safari 11)

DOMPoint

DOMPoint (Chrome 61, Firefox 31, Safari 10.1)
DOMPoint() constructor (Chrome 61, Firefox 31, Safari 10.1)
DOMPoint.w (Chrome 61, Firefox 31, Safari 10.1)
DOMPoint.x (Chrome 61, Firefox 31, Safari 10.1)
DOMPoint.y (Chrome 61, Firefox 31, Safari 10.1)
DOMPoint.z (Chrome 61, Firefox 31, Safari 10.1)

DOMPointReadOnly

DOMPointReadOnly (Chrome 61, Firefox 31, Safari 10.1)
DOMPointReadOnly.w (Chrome 61, Firefox 31, Safari 10.1)
DOMPointReadOnly.x (Chrome 61, Firefox 31, Safari 10.1)
DOMPointReadOnly.y (Chrome 61, Firefox 31, Safari 10.1)
DOMPointReadOnly.z (Chrome 61, Firefox 31, Safari 10.1)

DOMQuad

DOMQuad (Chrome 61, Firefox 31, Safari 11)
DOMQuad() constructor (Chrome 61, Firefox 31, Safari 11)
DOMQuad.p1 (Chrome 61, Firefox 31, Safari 11)
DOMQuad.p2 (Chrome 61, Firefox 31, Safari 11)
DOMQuad.p3 (Chrome 61, Firefox 31, Safari 11)
DOMQuad.p4 (Chrome 61, Firefox 31, Safari 11)

fetch

fetch (Chrome 42, Firefox 39, Safari 10.1)
Support for blob: and data: (Chrome 48, Firefox 39, Safari 10.1)

Gamepad

Gamepad (Chrome 21, Firefox 29, Safari 10.1)
Gamepad.axes (Chrome 21, Firefox 29, Safari 10.1)
Gamepad.buttons (Chrome 21, Firefox 29, Safari 10.1)
Gamepad.connected (Chrome 25, Firefox 29, Safari 10.1)
Gamepad.id (Chrome 21, Firefox 29, Safari 10.1)
Gamepad.index (Chrome 21, Firefox 29, Safari 10.1)
Gamepad.mapping (Chrome 21, Firefox 29, Safari 10.1)
Gamepad.timestamp (Chrome 21, Firefox 29, Safari 10.1)

GamepadButton

GamepadButton (Chrome 21, Firefox 29, Safari 10.1)
GamepadButton.pressed (Chrome 21, Firefox 29, Safari 10.1)
GamepadButton.value (Chrome 21, Firefox 29, Safari 10.1)

GamepadEvent

GamepadEvent (Chrome 21, Firefox 29, Safari 10.1)
GamepadEvent.gamepad (Chrome 21, Firefox 29, Safari 10.1)
GamepadEvent() constructor (Chrome 35, Firefox 29, Safari 10.1)

Headers

Headers (Chrome 42, Firefox 39, Safari 10.1)
[Symbol.iterator] (Chrome 42, Firefox 44, Safari 10.1)
Headers.append (Chrome 42, Firefox 39, Safari 10.1)
Headers.delete (Chrome 42, Firefox 39, Safari 10.1)
Headers.entries (Chrome 42, Firefox 44, Safari 10.1)
Headers.forEach (Chrome 42, Firefox 47, Safari 10.1)
Headers.get (Chrome 42, Firefox 39, Safari 10.1)
Headers.has (Chrome 42, Firefox 39, Safari 10.1)
Headers() constructor (Chrome 42, Firefox 39, Safari 10.1)
Iteration combines duplicate header names (Chrome 57, Firefox 57, Safari 10.1)
Iteration is lexicographically sorted (Chrome 57, Firefox 57, Safari 10.1)
Headers.keys (Chrome 42, Firefox 44, Safari 10.1)
Headers.set (Chrome 42, Firefox 39, Safari 10.1)
Headers.values (Chrome 42, Firefox 44, Safari 10.1)

HTMLDataElement

HTMLDataElement (Chrome 62, Firefox 22, Safari 10)
HTMLDataElement.value (Chrome 62, Firefox 22, Safari 10)

HTMLTimeElement

HTMLTimeElement (Chrome 62, Firefox 22, Safari 10)
HTMLTimeElement.dateTime (Chrome 62, Firefox 22, Safari 10)

InputEvent

InputEvent (Chrome 60, Firefox 31, Safari 10.1)
InputEvent() constructor (Chrome 60, Firefox 31, Safari 10.1)

MediaDeviceInfo

MediaDeviceInfo (Chrome 47, Firefox 39, Safari 11)
MediaDeviceInfo.deviceId (Chrome 47, Firefox 39, Safari 11)
MediaDeviceInfo.groupId (Chrome 47, Firefox 39, Safari 11)
MediaDeviceInfo.kind (Chrome 47, Firefox 39, Safari 11)
MediaDeviceInfo.label (Chrome 47, Firefox 39, Safari 11)
toJSON() (Chrome 47, Firefox 42, Safari 11)

MediaDevices

MediaDevices (Chrome 47, Firefox 33, Safari 11)
devicechange event (Chrome 57, Firefox 52, Safari 11)
MediaDevices.getSupportedConstraints (Chrome 53, Firefox 44, Safari 11)
MediaDevices.getUserMedia (Chrome 53, Firefox 36, Safari 11)

MediaStreamAudioDestinationNode

MediaStreamAudioDestinationNode (Chrome 25, Firefox 25, Safari 11)
MediaStreamAudioDestinationNode.stream (Chrome 25, Firefox 25, Safari 11)

MediaStreamAudioSourceNode

MediaStreamAudioSourceNode (Chrome 22, Firefox 25, Safari 11)

MediaStreamEvent

MediaStreamEvent (Chrome 26, Firefox 24, Safari 11)
MediaStreamEvent() constructor (Chrome 26, Firefox 24, Safari 11)
MediaStreamEvent.stream (Chrome 26, Firefox 24, Safari 11)

MediaStreamTrack

MediaStreamTrack (Chrome 26, Firefox 22, Safari 11)
MediaStreamTrack.applyConstraints (Chrome 59, Firefox 43, Safari 11)
deviceId constraint (Chrome 59, Firefox 43, Safari 11)
echoCancellation constraint (Chrome 59, Firefox 50, Safari 11)
facingMode constraint (Chrome 59, Firefox 50, Safari 11)
frameRate constraint (Chrome 59, Firefox 50, Safari 11)
height constraint (Chrome 59, Firefox 50, Safari 11)
width constraint (Chrome 59, Firefox 50, Safari 11)
MediaStreamTrack.clone (Chrome 35, Firefox 48, Safari 11)
MediaStreamTrack.enabled (Chrome 26, Firefox 24, Safari 11)
ended event (Chrome 26, Firefox 50, Safari 11)
MediaStreamTrack.getConstraints (Chrome 53, Firefox 50, Safari 11)
MediaStreamTrack.getSettings (Chrome 59, Firefox 50, Safari 11)
MediaStreamTrack.id (Chrome 26, Firefox 22, Safari 11)
MediaStreamTrack.kind (Chrome 26, Firefox 22, Safari 11)
MediaStreamTrack.label (Chrome 26, Firefox 22, Safari 11)
MediaStreamTrack.readyState (Chrome 26, Firefox 50, Safari 11)
MediaStreamTrack.stop (Chrome 32, Firefox 34, Safari 11)

MediaStreamTrackEvent

MediaStreamTrackEvent (Chrome 26, Firefox 50, Safari 11)
MediaStreamTrackEvent() constructor (Chrome 55, Firefox 50, Safari 11)
MediaStreamTrackEvent.track (Chrome 26, Firefox 50, Safari 11)

origin

origin (Chrome 59, Firefox 54, Safari 11)

PerformanceMark

PerformanceMark (Chrome 28, Firefox 38, Safari 11)

PerformanceMeasure

PerformanceMeasure (Chrome 25, Firefox 38, Safari 11)

PerformanceObserver

PerformanceObserver (Chrome 52, Firefox 57, Safari 11)
PerformanceObserver.disconnect (Chrome 52, Firefox 57, Safari 11)
PerformanceObserver.observe (Chrome 52, Firefox 57, Safari 11)
PerformanceObserver() constructor (Chrome 52, Firefox 57, Safari 11)
Available in workers (Chrome 62, Firefox 57, Safari 11)

PerformanceObserverEntryList

PerformanceObserverEntryList (Chrome 52, Firefox 57, Safari 11)
PerformanceObserverEntryList.getEntries (Chrome 52, Firefox 57, Safari 11)
PerformanceObserverEntryList.getEntriesByName (Chrome 52, Firefox 57, Safari 11)
PerformanceObserverEntryList.getEntriesByType (Chrome 52, Firefox 57, Safari 11)

PerformanceResourceTiming

PerformanceResourceTiming (Chrome 29, Firefox 35, Safari 11)
PerformanceResourceTiming.connectEnd (Chrome 43, Firefox 35, Safari 11)
PerformanceResourceTiming.connectStart (Chrome 43, Firefox 35, Safari 11)
PerformanceResourceTiming.domainLookupEnd (Chrome 43, Firefox 35, Safari 11)
PerformanceResourceTiming.domainLookupStart (Chrome 43, Firefox 35, Safari 11)
PerformanceResourceTiming.fetchStart (Chrome 43, Firefox 35, Safari 11)
PerformanceResourceTiming.initiatorType (Chrome 43, Firefox 35, Safari 11)
PerformanceResourceTiming.nextHopProtocol (Chrome 61, Firefox 45, Safari 11)
PerformanceResourceTiming.redirectEnd (Chrome 43, Firefox 35, Safari 11)
PerformanceResourceTiming.redirectStart (Chrome 43, Firefox 35, Safari 11)
PerformanceResourceTiming.requestStart (Chrome 43, Firefox 35, Safari 11)
PerformanceResourceTiming.responseEnd (Chrome 43, Firefox 35, Safari 11)
PerformanceResourceTiming.responseStart (Chrome 43, Firefox 35, Safari 11)
PerformanceResourceTiming.secureConnectionStart (Chrome 43, Firefox 35, Safari 11)
PerformanceResourceTiming.toJSON (Chrome 45, Firefox 35, Safari 11)

RTCDataChannel

RTCDataChannel (Chrome 24, Firefox 22, Safari 11)
RTCDataChannel.binaryType (Chrome 24, Firefox 22, Safari 11)
ArrayBuffer value (Chrome 24, Firefox 22, Safari 11)
RTCDataChannel.bufferedAmount (Chrome 24, Firefox 22, Safari 11)
bufferedamountlow event (Chrome 57, Firefox 44, Safari 11)
RTCDataChannel.bufferedAmountLowThreshold (Chrome 46, Firefox 44, Safari 11)
RTCDataChannel.close (Chrome 24, Firefox 22, Safari 11)
close event (Chrome 24, Firefox 22, Safari 11)
error event (Chrome 24, Firefox 22, Safari 11)
RTCDataChannel.id (Chrome 30, Firefox 22, Safari 11)
RTCDataChannel.label (Chrome 24, Firefox 22, Safari 11)
message event (Chrome 24, Firefox 22, Safari 11)
open event (Chrome 24, Firefox 22, Safari 11)
RTCDataChannel.ordered (Chrome 30, Firefox 22, Safari 11)
RTCDataChannel.protocol (Chrome 30, Firefox 22, Safari 11)
RTCDataChannel.readyState (Chrome 24, Firefox 22, Safari 11)
RTCDataChannel.send (Chrome 24, Firefox 22, Safari 11)

RTCDataChannelEvent

RTCDataChannelEvent (Chrome 24, Firefox 22, Safari 11)
RTCDataChannelEvent.channel (Chrome 24, Firefox 22, Safari 11)
RTCDataChannelEvent() constructor (Chrome 56, Firefox 22, Safari 11)

RTCRtpReceiver

RTCRtpReceiver (Chrome 59, Firefox 34, Safari 11)
RTCRtpReceiver.track (Chrome 59, Firefox 34, Safari 11)

RTCStatsReport

RTCStatsReport (Chrome 58, Firefox 27, Safari 11)
[Symbol.iterator] (Chrome 58, Firefox 48, Safari 11)
RTCStatsReport.entries (Chrome 58, Firefox 48, Safari 11)
RTCStatsReport.forEach (Chrome 58, Firefox 27, Safari 11)
RTCStatsReport.get (Chrome 58, Firefox 27, Safari 11)
RTCStatsReport.has (Chrome 58, Firefox 27, Safari 11)
RTCStatsReport.keys (Chrome 58, Firefox 48, Safari 11)
RTCStatsReport.size (Chrome 59, Firefox 48, Safari 11)
candidate-pair stats (Chrome 58, Firefox 29, Safari 11)
bytesReceived in 'candidate-pair' stats (Chrome 58, Firefox 56, Safari 11)
bytesSent in 'candidate-pair' stats (Chrome 58, Firefox 56, Safari 11)
localCandidateId in 'candidate-pair' stats (Chrome 58, Firefox 29, Safari 11)
nominated in 'candidate-pair' stats (Chrome 58, Firefox 56, Safari 11)
remoteCandidateId in 'candidate-pair' stats (Chrome 58, Firefox 29, Safari 11)
state in 'candidate-pair' stats (Chrome 58, Firefox 29, Safari 11)
RTCStatsReport.values (Chrome 58, Firefox 48, Safari 11)

RTCTrackEvent

RTCTrackEvent (Chrome 56, Firefox 22, Safari 11)
RTCTrackEvent.receiver (Chrome 56, Firefox 34, Safari 11)
RTCTrackEvent.streams (Chrome 56, Firefox 22, Safari 11)
RTCTrackEvent.track (Chrome 56, Firefox 22, Safari 11)

TextEncoder

TextEncoder (Chrome 38, Firefox 18, Safari 10.1)
TextEncoder.encode (Chrome 38, Firefox 18, Safari 10.1)
TextEncoder.encoding (Chrome 38, Firefox 18, Safari 10.1)
TextEncoder() constructor (Chrome 38, Firefox 18, Safari 10.1)
Available in workers (Chrome 38, Firefox 20, Safari 10.1)

URLSearchParams

URLSearchParams (Chrome 49, Firefox 29, Safari 10.1)
[Symbol.iterator] (Chrome 49, Firefox 44, Safari 10.1)
URLSearchParams.append (Chrome 49, Firefox 29, Safari 10.1)
URLSearchParams.entries (Chrome 49, Firefox 44, Safari 10.1)
URLSearchParams.forEach (Chrome 49, Firefox 44, Safari 10.1)
URLSearchParams.get (Chrome 49, Firefox 29, Safari 10.1)
URLSearchParams.getAll (Chrome 49, Firefox 29, Safari 10.1)
URLSearchParams.has (Chrome 49, Firefox 29, Safari 10.1)
URLSearchParams.keys (Chrome 49, Firefox 44, Safari 10.1)
URLSearchParams.set (Chrome 49, Firefox 29, Safari 10.1)
URLSearchParams.sort (Chrome 61, Firefox 54, Safari 11)
URLSearchParams.toString (Chrome 49, Firefox 29, Safari 10.1)
URLSearchParams() constructor (Chrome 49, Firefox 29, Safari 10.1)
record for init object (Chrome 61, Firefox 54, Safari 11)
sequence for init object (Chrome 58, Firefox 53, Safari 11)
USVString for init object (Chrome 49, Firefox 29, Safari 10.1)
URLSearchParams.values (Chrome 49, Firefox 44, Safari 10.1)

WEBGL_debug_renderer_info

WEBGL_debug_renderer_info (Chrome 33, Firefox 53, Safari 9.1)

2016

DataTransferItem

DataTransferItem (Chrome 11, Firefox 50, Safari 5.1)
DataTransferItem.getAsFile (Chrome 11, Firefox 50, Safari 5.1)
DataTransferItem.getAsString (Chrome 11, Firefox 50, Safari 5.1)
DataTransferItem.kind (Chrome 11, Firefox 50, Safari 5.1)
DataTransferItem.type (Chrome 11, Firefox 50, Safari 5.1)

DataTransferItemList

DataTransferItemList (Chrome 13, Firefox 50, Safari 6)
DataTransferItemList.add (Chrome 13, Firefox 50, Safari 6)
DataTransferItemList.clear (Chrome 13, Firefox 50, Safari 6)
DataTransferItemList.length (Chrome 13, Firefox 50, Safari 6)
DataTransferItemList.remove (Chrome 31, Firefox 50, Safari 6)

EXT_frag_depth

EXT_frag_depth (Chrome 38, Firefox 47, Safari 9)

EXT_shader_texture_lod

EXT_shader_texture_lod (Chrome 38, Firefox 47, Safari 8)

FontFace

FontFace (Chrome 35, Firefox 41, Safari 10)
FontFace.family (Chrome 35, Firefox 41, Safari 10)
FontFace.featureSettings (Chrome 35, Firefox 41, Safari 10)
FontFace() constructor (Chrome 35, Firefox 41, Safari 10)
FontFace.load (Chrome 35, Firefox 41, Safari 10)
FontFace.loaded (Chrome 37, Firefox 41, Safari 10)
FontFace.status (Chrome 35, Firefox 41, Safari 10)
FontFace.stretch (Chrome 35, Firefox 41, Safari 10)
FontFace.style (Chrome 35, Firefox 41, Safari 10)
FontFace.unicodeRange (Chrome 35, Firefox 41, Safari 10)
FontFace.variant (Chrome 35, Firefox 41, Safari 10)
FontFace.weight (Chrome 35, Firefox 41, Safari 10)

FontFaceSet

FontFaceSet (Chrome 35, Firefox 41, Safari 10)
[Symbol.iterator] (Chrome 48, Firefox 41, Safari 10)
FontFaceSet.add (Chrome 35, Firefox 41, Safari 10)
FontFaceSet.clear (Chrome 35, Firefox 41, Safari 10)
FontFaceSet.delete (Chrome 35, Firefox 41, Safari 10)
FontFaceSet.entries (Chrome 48, Firefox 41, Safari 10)
FontFaceSet.forEach (Chrome 35, Firefox 41, Safari 10)
FontFaceSet.has (Chrome 35, Firefox 41, Safari 10)
FontFaceSet.keys (Chrome 48, Firefox 41, Safari 10)
FontFaceSet.load (Chrome 35, Firefox 41, Safari 10)
loading event (Chrome 35, Firefox 41, Safari 10)
loadingdone event (Chrome 35, Firefox 41, Safari 10)
loadingerror event (Chrome 35, Firefox 41, Safari 10)
FontFaceSet.ready (Chrome 35, Firefox 41, Safari 10)
FontFaceSet.size (Chrome 35, Firefox 41, Safari 10)
FontFaceSet.status (Chrome 35, Firefox 41, Safari 10)
FontFaceSet.values (Chrome 48, Firefox 41, Safari 10)

HTMLDetailsElement

HTMLDetailsElement (Chrome 10, Firefox 49, Safari 6)
HTMLDetailsElement.open (Chrome 10, Firefox 49, Safari 6)

HTMLPictureElement

HTMLPictureElement (Chrome 38, Firefox 38, Safari 9.1)

SpeechSynthesis

SpeechSynthesis (Chrome 33, Firefox 49, Safari 7)
SpeechSynthesis.cancel (Chrome 33, Firefox 49, Safari 7)
SpeechSynthesis.getVoices (Chrome 33, Firefox 49, Safari 7)
SpeechSynthesis.pause (Chrome 33, Firefox 49, Safari 7)
SpeechSynthesis.paused (Chrome 33, Firefox 49, Safari 7)
SpeechSynthesis.pending (Chrome 33, Firefox 49, Safari 7)
SpeechSynthesis.resume (Chrome 33, Firefox 49, Safari 7)
SpeechSynthesis.speak (Chrome 33, Firefox 49, Safari 7)
SpeechSynthesis.speaking (Chrome 33, Firefox 49, Safari 7)

SpeechSynthesisErrorEvent

SpeechSynthesisErrorEvent (Chrome 33, Firefox 49, Safari 7)
SpeechSynthesisErrorEvent.error (Chrome 33, Firefox 49, Safari 7)

SpeechSynthesisEvent

SpeechSynthesisEvent (Chrome 33, Firefox 49, Safari 7)
SpeechSynthesisEvent.charIndex (Chrome 33, Firefox 49, Safari 7)
SpeechSynthesisEvent.elapsedTime (Chrome 33, Firefox 49, Safari 7)
elapsedTime in milliseconds (Chrome 33, Firefox 49, Safari 7)
SpeechSynthesisEvent.name (Chrome 33, Firefox 49, Safari 7)

SpeechSynthesisUtterance

SpeechSynthesisUtterance (Chrome 33, Firefox 49, Safari 7)
boundary event (Chrome 33, Firefox 49, Safari 7)
end event (Chrome 33, Firefox 49, Safari 7)
error event (Chrome 33, Firefox 49, Safari 7)
SpeechSynthesisUtterance.lang (Chrome 33, Firefox 49, Safari 7)
mark event (Chrome 33, Firefox 49, Safari 7)
pause event (Chrome 33, Firefox 49, Safari 7)
SpeechSynthesisUtterance.pitch (Chrome 33, Firefox 49, Safari 7)
SpeechSynthesisUtterance.rate (Chrome 33, Firefox 49, Safari 7)
resume event (Chrome 33, Firefox 49, Safari 7)
SpeechSynthesisUtterance() constructor (Chrome 33, Firefox 49, Safari 7)
start event (Chrome 33, Firefox 49, Safari 7)
SpeechSynthesisUtterance.text (Chrome 33, Firefox 49, Safari 7)
SpeechSynthesisUtterance.voice (Chrome 33, Firefox 49, Safari 7)
SpeechSynthesisUtterance.volume (Chrome 33, Firefox 49, Safari 7)

SpeechSynthesisVoice

SpeechSynthesisVoice (Chrome 33, Firefox 49, Safari 7)
SpeechSynthesisVoice.default (Chrome 33, Firefox 49, Safari 7)
SpeechSynthesisVoice.lang (Chrome 33, Firefox 49, Safari 7)
SpeechSynthesisVoice.localService (Chrome 33, Firefox 49, Safari 7)
SpeechSynthesisVoice.name (Chrome 33, Firefox 49, Safari 7)
SpeechSynthesisVoice.voiceURI (Chrome 33, Firefox 49, Safari 7)

WebGLContextEvent

WebGLContextEvent (Chrome 9, Firefox 49, Safari 5.1)
WebGLContextEvent.statusMessage (Chrome 9, Firefox 49, Safari 5.1)
WebGLContextEvent() constructor (Chrome 17, Firefox 49, Safari 6)

Summary

Total Web APIs tracked: 2278

Last updated: 2025-09-14

jqueryscript/new-web-api

New Web APIs Since 2016

2025

CaretPosition

ClipboardItem

CookieChangeEvent

CookieStore

CredentialsContainer

CSPViolationReportBody

ElementInternals

ExtendableCookieChangeEvent

FragmentDirective

GPU

GPUAdapter

GPUAdapterInfo

GPUBindGroup

GPUBindGroupLayout

GPUBuffer

GPUCanvasContext

GPUCommandBuffer

GPUCommandEncoder

GPUCompilationInfo

GPUCompilationMessage

GPUComputePassEncoder

GPUComputePipeline

GPUDevice

GPUDeviceLostInfo

GPUExternalTexture

GPUInternalError

GPUOutOfMemoryError

GPUPipelineError

GPUPipelineLayout

GPUQuerySet

GPUQueue

GPURenderBundle

GPURenderBundleEncoder

GPURenderPassEncoder

GPURenderPipeline

GPUSampler

GPUShaderModule

GPUSupportedFeatures

GPUSupportedLimits

GPUTexture

GPUTextureView

GPUUncapturedErrorEvent

GPUValidationError

Highlight

HighlightRegistry

HTMLDialogElement

ImageCapture

IntersectionObserver

OffscreenCanvas

OffscreenCanvasRenderingContext2D

PublicKeyCredential

PushManager

PushMessageData

PushSubscriptionChangeEvent

RTCCertificate

RTCRtpReceiver

RTCRtpScriptTransform

RTCRtpScriptTransformer

RTCRtpSender

RTCStatsReport

RTCTransformEvent

ServiceWorkerGlobalScope

ShadowRoot

trustedTypes

URLPattern

WebTransport

WebTransportBidirectionalStream

WebTransportDatagramDuplexStream

WebTransportError

WGSLLanguageFeatures

2024

AbortSignal

AudioData

AudioDecoder

AudioEncoder

Clipboard

ClipboardItem