axios不是支持ie9以上吗？为啥我的ie全挂了？

Question

为什么会提示Promise is not defined

Answer 1

下载这个js加载就行 https://raw.githubusercontent...

Answer 2

你需要Promise的polyfill。
在官方文档的https://github.com/mzabriskie...
提到了

ES6 Promise Polyfill

Up until the 0.6.0 release ES6 Promise was being polyfilled using
es6-promise. With this release, the polyfill has been removed, and you
will need to supply it yourself if your environment needs it.

require('es6-promise').polyfill();
var axios = require('axios');

在babel下我想你需要

npm install --save-dev babel-polyfill

具体用法取决你是否使用打包工具可以参考babel文档
http://babeljs.io/docs/usage/...

Answer 3

axios的主页也是逗逼，前面先写上支持ie8+，最后才说是基于Promise实现、需要polyfill。我项目写完了，测试才发现不支持360极速。