// 一个文件就是一个模块 const name = "bar.js" const age = 10 const obj = { name: "bar", age: 10 } let message = "my name is bar.js" function barFunc(name) { console.log("hello " + name); } exports.name = name exports.age = age exports.obj = obj setInterval(() => { console.log(obj.name) console.log(age) }, 1000); console.log(module)