w1020/22.webpack/webpack.config.js

const path = require('path');
// node写法
module.exports = {
    mode:'production',
    entry:"./src/index.js",
    // entry: ['./src/a.js','./src/index.js']
    // entry: {
    //     hi:'./src/a.js',
    //     hello:'./src/index.js'
    // }
    output:{
        filename: '[name]-[id]-[hash].js',
        path: path.resolve(__dirname,'dist'),
        clean: true,
        
    }
}