react。。。 一、使用create-react-app的项目在手机端白屏（不兼容导致） 加上下面这些js ``` <script src="https://cdnjs.cloudflare.com/ajax/libs/es5-shim/4.5.7/es5-shim.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/es5-shim/4.5.7/es5-sham.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/json3/3.3.2/json3.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/es6-shim/0.34.2/es6-shim.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/es6-shim/0.34.2/es6-sham.min.js"></script> ```