Require.js

如果你的网站浏览速度慢，那么就用Require.js吧。RequireJS is a JavaScript file and module loader. It is optimized for in-browser use, but it can be used in other JavaScript environments, like Rhino andNode. Using a modular script loader like RequireJS will improve the speed and quality of your code.（http://requirejs.org/）

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原文地址：https://www.cnblogs.com/ethelhao/p/3584397.html