1. 相干网址
    (1)npm官网地址:https://www.npmjs.com/package...
    (2)webpack官网地址:https://webpack.html.cn/plugi...

  2. npm下载uglifyjs-webpack-plugin

    npm install uglifyjs-webpack-plugin --save-dev
  3. 在build/webpack.prod.conf.js中增加以下代码

    const UglifyJsPlugin = require("uglifyjs-webpack-plugin")module.exports = {// ...configureWebpack: (config) => {  if (process.env.NODE_ENV === 'production') {    // 为生产环境批改配置...    config.mode = 'production'    // 将每个依赖包打包成独自的js文件    let optimization = {     // ...      minimizer: [        new UglifyPlugin({          uglifyOptions: {            warnings: false,            compress: {              drop_console: true, // 放弃对`console.*`函数的调用(删除console)              drop_debugger: false, // 删除debugger              pure_funcs: ['console.log']             }          }        })      ]    }    Object.assign(config, {      optimization    })  } else {    // 为开发环境批改配置...    config.mode = 'development'  } // ...},// ...}