WKWebView for JS Call back iOS
##Example:
Register the method in you iOS project
self.configuration.userContentController.add(self, name:"HelloMKWKWebView0")
You can call iOS method like this
/*
function_name:the function you register in MKWKWebView like 'HelloMKWKWebView0'
os:iOS/Mac
parameters:the parameters
*/
function js_CallSwift(function_name,os,parameters){
if (os.toLowerCase() == "ios"){
window["webkit"]["messageHandlers"][function_name]["postMessage"]({'parameters': parameters});
}
}