BabelJS i BabelJS i About the Tutorial BabelJS is a JavaScript transpiler which on both old and new browsers, hassle-free. Babeljs comes with a wide range of features in the form of plugins, presets, polyfills, etc. In short, Babeljs is a toolset which has all the required tools want to learn the basics of BabelJS and its programming concepts in simple and easy ways. This tutorial will give you enough understanding on various functionalities of BabelJS with suitable examples.

Juin 2023 : ECMA-262 14th edition8 – Support9 des différentes implémentations – Conversions avec BabelJS10 • JavaScript : implémentation Firefox (réf. MDN) • Variantes (à transpiler) : – Typescript11 tandards/standards/ecma-262/ 9https://compat-table.github.io/compat-table/es2016plus/ 10https://babeljs.io/ 11https://www.typescriptlang.org/ 12http://coffeescript.org/ 13https://en.wikipedia.org/wiki

babel.transformFromAst(ast, code, options); // => { code, map, ast } 配置对象 options ，可以参看官方文档http://babeljs.io/docs/usage/options/。 下面是一个例子。 var es6Code = 'let x = n => n + 1'; var es5Code = require('babel-core') 国产的ES6到ES5的转码器 esnext, ES6 Module Transpiler：基于node.js的将ES6模块转为ES5代码的命 令行工具 Sebastian McKenzie, BabelJS: ES6转译器 SystemJS, SystemJS: 在浏览器中加载 AMD、CJS、ES6 模块的一个垫片库 Modernizr, HTML5 Cross Browser Polyfills:

実行環境にネイティブ のPromiseがある場合はそちらを優先し、上書きしないようにしています。 51 https://github.com/zloirock/core-js 52 https://babeljs.io/ 53 https://github.com/jakearchibald/es6-promise 54 https://github.com/tildeio/rsvp.js 55 https://github