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  1. The compiler for next generation JavaScript.

    • Try It Out

      The compiler for next generation JavaScript. ← Back to main...

    • Setup

      Create a babel.config.json config in your project root and...

    • Docs

      Babel is a toolchain that is mainly used to convert...

    • Videos

      Videos and podcasts about Babel and its underlying concepts....

    • Blog

      Babel 7.24.0 is out! We updated our Decorators...

    • Team

      The compiler for next generation JavaScript

    • Usage Guide

      Overview. This guide will show you how to compile your...

    • @babel/standalone

      @babel/standalone provides a standalone build of Babel for...

    • Babel Is A Javascript Compiler​
    • ES2015 and Beyond​
    • JSX and React​
    • Type Annotations (Flow and Typescript)​
    • Pluggable​
    • Spec Compliant​
    • Compact​

    Babel is a toolchain that is mainly used to convert ECMAScript 2015+ code into a backwards compatible version of JavaScript in current and older browsers or environments. Here are the main things Babel can do for you: 1. Transform syntax 2. Polyfill features that are missing in your target environment (through a third-party polyfill such as core-js...

    Babel has support for the latest version of JavaScript through syntax transformers. These plugins allow you to use new syntax, right now without waiting for browser support. Check out our usage guideto get started.

    Babel can convert JSX syntax! Check out our React preset to get started. Use it together with the babel-sublimepackage to bring syntax highlighting to a whole new level. You can install this preset with and add @babel/preset-reactto your Babel configuration.

    Babel can strip out type annotations! Check out either our Flow preset or TypeScript preset to get started. Keep in mind that Babel doesn't do type checking; you'll still have to install and use Flow or TypeScript to check types. You can install the flow preset with or the typescript preset with

    Babel is built out of plugins. Compose your own transformation pipeline using existing plugins or write your own. Easily use a set of plugins by using or creating a preset. Learn more → Create a plugin on the fly with astexplorer.net or use generator-babel-pluginto generate a plugin template.

    Babel tries to stay true to the ECMAScript standard, as much as reasonably possible. It may also have specific options to be more spec compliant as a tradeoff to performance.

    Babel tries using the least amount of code possible with no dependence on a bulky runtime. This may be difficult to do in cases, and there are "assumptions"options that tradeoff spec compliancy for readability, file size, and speed.

  2. Overview. This guide will show you how to compile your JavaScript application code that uses ES2015+ syntax into code that works in current browsers. That will involve both transforming new syntax and polyfilling missing features. The entire process to set this up involves: Running these commands to install the packages: npm. Yarn. pnpm.

  3. Babel is a JavaScript compiler. Use next generation JavaScript, today. Get browser-compatible JavaScript out. Check out our REPL to experiment more with Babel! Personal Experiences at Babel #1 — A PR with Unusually High Number of Reviews. Ready to get started? Install the Babel CLI and a preset. npm install --save-dev babel-cli babel-preset-env.

  4. Babel is a 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.

  5. Babel is a JavaScript compiler. Use next generation JavaScript, today. Grab yourself a copy of Exploring ES6 today! Babel transforms your JavaScript. You put JavaScript in. myJavaScript("foobar"); And get JavaScript out. myNewTransformedJavaScript("yay!"); ES2015 and beyond. By default, Babel ships with a set of ES2015 syntax transformers.

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  7. is the new default javascript compiler for Rails 6. It comes with built-in support for transpiling with babel. To use it in earlier versions of Rails: npm install --save-dev requirejs-babel @babel/standalone babel-plugin-module-resolver-standalone. npm install --save-dev @rollup/plugin-babel @babel/core.

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