demo.js

var fs = require('fs')

var dirName = process.argv[2] // 你传的参数是从第 2 个开始的

fs.mkdirSync("./" + dirName) // mkdir $1
process.chdir("./" + dirName) // cd $1
fs.mkdirSync('css') // mkdir css
fs.mkdirSync('js') // mkdir js

fs.writeFileSync("./index.html", "<!DOCTYPE> <title > Hello < /title> <h1 > Hi < /h1>")
fs.writeFileSync("css/style.css", "h1{color: red;}")
fs.writeFileSync("./js/main.js", "var string = 'Hello World';alert(string);")

process.exit(0)