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@@ -0,0 +1,86 @@
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+<!DOCTYPE html>
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+<html lang="en">
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+
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+<head>
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+ <meta charset="UTF-8">
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+ <meta http-equiv="X-UA-Compatible" content="IE=edge">
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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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+
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+<body>
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+ <script>
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+ // var a = {
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+ // age: 30
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+ // }
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+ // var str = JSON.stringify(a)
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+ // var obj = JSON.parse(str)
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+
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+ // obj.age = 18
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+ // console.log(a)
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+ // console.log(obj)
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+
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+
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+ // var person = {
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+ // name: 'zs',
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+ // age: 18
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+ // }
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+
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+
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+ // function deepClone(obj){
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+ // var tmp = {}
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+ // for(key in obj){
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+ // tmp[key] = obj[key]
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+ // }
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+ // return tmp
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+ // }
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+
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+ // var a = deepClone(person)
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+ // a.name = 'lisi'
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+ // console.log(person)
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+ // console.log(a)
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+
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+
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+
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+
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+ var person = {
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+ name: 'zs',
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+ age: 18,
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+ school: {
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+ address: 'harbin',
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+ num: 10000
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+ }
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+ }
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+ // var a = deepClone(person)
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+ // a.school.num = 30000
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+ // console.log(a)
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+ // console.log(person)
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+
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+
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+
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+ /* 封装深克隆的方法 */
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+ function deepClone(obj) {
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+ /* 定义一个空对象 接收深克隆后的结果 */
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+ var tmp = {}
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+ /* 循环对象里面的每一项 遍历对象下面的属性 */
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+ for(key in obj){
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+ /* 判断当前对象下面的属性是基本数据类型 还是 引用数据类型 */
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+ if(typeof (obj[key]) == 'object'){
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+ /* 如果是引用数据类型 再次调用函数本身 */
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+ tmp[key] = deepClone(obj[key])
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+ } else {
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+ /* 如果是基本数据类型 可以直接赋值 */
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+ tmp[key] = obj[key]
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+ }
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+ }
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+ return tmp
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+ }
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+ var a = deepClone(person)
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+ a.school.num = 200
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+ console.log(a)
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+ console.log(person)
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+ </script>
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+
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+</body>
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+
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+</html>
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zsydgithub