The compiler for writing next generation JavaScript.
Babel is a community-driven tool that helps you write code in the latest version of JavaScript.
When your supported environments don't support certain features natively, Babel will help you compile those features down to a supported version.
In
// ES2015 arrow function
[1, 2, 3].map((n) => n + 1);Out
[1, 2, 3].map(function(n) {
return n + 1;
});Try it out at our REPL and follow us at @babeljs.
Check out our website: babeljs.io
For questions and support please visit our discussion forum, sign up for our Slack community, or StackOverflow.
Read through our CONTRIBUTING.md and fill out the issue template at babel/issues.
Want to report an issue with babeljs.io (the website)?
For documentation and website issues please visit the babel/website repo.
Check out our CONTRIBUTING.md. If you have already joined Slack, join our #development channel!
You can also start by checking out the issues with the help-wanted label.
Our discussions/notes/roadmap: babel/notes Our progress on TC39 proposals: babel/proposals
The Babel repo is managed as a monorepo that is composed of many npm packages.
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| Babel | Daniel Tschinder | Logan Smyth | Henry Zhu |
 @babel |
@danez | @loganfsmyth | @hzoo |
| 🐦 @babeljs | @TschinderDaniel | @loganfsmyth | @left_pad |
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| Andrew Levine | Boopathi Rajaa | Brian Ng | Dan Harper | Diogo Franco | Aaron Ang | Artem Yavorsky |
| @drewml | @boopathi | @existentialism | @danharper | @kovensky | @aaronang | @yavorsky |
| @drewml | @heisenbugger | @existentialism | @DanHarper7 | @kovnsk | @_aaronang | @yavorsky_ |
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| Juriy Zaytsev | Kai Cataldo | Moti Zilberman | Sven Sauleau | Samuel Reed | Sergey Rubanov |
| @kangax | @kaicataldo | @motiz88 | @xtuc | @STRML | @chicoxyzzy |
| @kangax | @kai_cataldo | @motiz88 | @svensauleau | @STRML_ | @chicoxyzzy |
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| Babel Bot |
| @babel-bot |
| @babeljs |
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| Amjad Masad | James Kyle | Jesse McCarthy | Sebastian McKenzie |
| @amasad | @thejameskyle | @jmm | @sebmck |
| @amasad | @thejameskyle | @mccjm | @kittens |
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