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@@ -0,0 +1,71 @@
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+<!DOCTYPE html>
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+<html lang="en">
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+<head>
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+ <meta charset="UTF-8">
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+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
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+ <title>Document</title>
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+</head>
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+<body>
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+ <script>
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+ // var person = {
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+ // name: 'LiLi',
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+ // age: 10
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+ // }
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+ // function deepClone(obj) {
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+ // var objs = {};
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+ // for(key in obj) {
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+ // objs[key] = obj[key]
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+ // }
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+ // return objs;
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+ // }
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+ // var news = deepClone(person);
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+ // news.name = 'Lucy';
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+ // console.log(news,'news')
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+ // console.log(person,'person')
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+
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+
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+ // for循环
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+ // var arr = [1,2,3,4,5,6];
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+ // for(key in arr) {
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+ // // for in 循环的是数组的下标
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+ // console.log(key,'for..in')
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+ // }
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+ // for(key of arr) {
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+ // // for of 循环的是数组的值
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+ // console.log(key,'for..of')
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+
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+ // }
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+
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+ var news = {
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+ name: '小郑',
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+ age: 10,
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+ main: {
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+ address:'china',
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+ sex: "女"
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+ }
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+ }
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+
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+ function deepClone(obj) {
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+ // 定义一个空对象 用来接收深克隆后的结果
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+ var objs = {};
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+ // for循环传入的对象 循环的是对象下面的每一项
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+ for(key in obj) {
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+ // 判断是否是引用数据类型 注意小写
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+ if(typeof(obj[key]) == 'object') {
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+ // 再次调用深克隆方法
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+ objs[key] = deepClone(obj[key]);
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+ }else {
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+ // 直接复制
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+ objs[key] = obj[key];
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+ }
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+ }
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+ //抛出深克隆后的对象
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+ return objs;
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+ }
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+ var newObjs = deepClone(news);
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+ newObjs.main.address = "111";
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+ console.log(news,'2')
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+ console.log(newObjs,'1')
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+ </script>
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+</body>
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+</html>
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