ES模块化导入和导出
//1.导入的{}中定义的变量 import{flag,sum} from"./asd.js"; //在asd.js中定义 flag 和 sum if(flag){ console.log('Im gentle') console.log(sum(1,2)); } //2.间接导入export定义的变量 import {num1,height} from"./dfg.js console.log(num1); console.log(height); //3.导入export的function/class import {mul,person} from"./jkl.js"; console.log(mul(10,20)); const p = new person(); p.run() //4.导入export default 中的内容 import addr from ".oiu.js"; addr('hello') //5.对立全副导入 import * as qwe from './qwe.js' console.log(qwe.flag); console.log(qwe.height)