babel

npm install – g babel

babel – help

在项目里安装npm install babel-core -- save-dev

babel xx.js

babel xx.js -- out-file xxx.js

babel xx.js -- out-file xxx.js --source-maps

babel --watch  xx.js -- out-file xxx.js --source-maps

babel src -- out-dir lib

babel src -- out-file xxx.js

xx.html

<script src="node-modules/babe-core/browser.js"></script>

<script src="node-modules/babe-core/browser-polyfill.js"></script>//修补浏览器功能

<script src="xx.js" type="text/babel"></script>

brower-sync start --server