webpack4 引入jquery
1、安装expose-loader
npm install --save expose-loader
2、在webpack.config中加入下面这段loader代码
{ test: require.resolve(‘jquery‘), use: [{ loader: ‘expose-loader‘, options: ‘jQuery‘ },{ loader: ‘expose-loader‘, options: ‘$‘ }] }
import React from ‘react‘ require(‘jquery‘) require(‘jQuery第三方插件‘) class Components extends React.Component { constructor(props) { super(props) } componentDidMount() { $(document).ready(function() { //做爱做的事情 }) } }
发现没效果
结果发现
npm install jquery --save
import $ from "jquery"
就可以
参考
http://www.mamicode.com/info-detail-2246752.html
https://www.cnblogs.com/leilei-frontEnd/p/6828292.html
https://blog.csdn.net/zxl1990_ok/article/details/90049305
https://segmentfault.com/a/1190000006887523

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