[Es6] - 注释 - 4.2 物体解构

获取对象中数据的传统方式：

let user = {name:"张三",age:19};
let name = user.name;
let age = user.age;
console.log("姓名:"+name+",年龄:"+age);

解构：

let { name, age } = { name: "张三", age: 19 };
console.log("姓名:" + name + ",年龄:" + age);

5. 剩余参数及展开运算符