// console.log(112);const add = (n1, n2) => n1 + n2;exports.add = add;

// const a = require('./03.module-a.js');const a = require('./03.module-a');console.log(a.add(10, 20)); // 30console.log(111); // 111

const greeting = name => `hello ${name}`;const x = 100;exports.x = x;module.exports.greeting = greeting;// 当exports对象和moudle.exports对象指向的不是同一个对象时 以module.exports为准module.exports = { name: 'zhangsan'}exports = { age: 20}

const a = require('./04.module.exports.js');// console.log(a.greeting('zhangsan'));console.log(a); // { name: 'zhangsan' }