1.npm安装

npm install babel-polyfill
npm install es6-promise

 

package.json中会出现

"babel-polyfill": "^6.26.0",
"es6-promise": "^4.1.1",

 

 

2.main.js引入

import 'babel-polyfill'
import Vue from 'vue'
import Es6Promise from 'es6-promise'
require('es6-promise').polyfill()
Es6Promise.polyfill()

 

 

3.webpack.base.conf.js

module.exports = {
entry: {
"babel-polyfill":"babel-polyfill",
app: './src/main.js'
},

 



 

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