"use strict"; (function () { class Person { constructor(name1, age1) { this.name = name1; this.age = age1; } } let p = new Person('猪八戒', 20); let obj1; obj1 = { name: '孫悟空', age: 10 }; let f = '12'; const obj = { name: 'qw', age: 0 }; })();