lovecoding
/
VIP30


			
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<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>

<body>
  <script>
    var person = {
      name: 'zs',
      age: 18
    }

    /* 将对象转化为字符串 */
    var str = JSON.stringify(person)
    console.log(str)
    /* 将字符串转化为对象 */
    var obj = JSON.parse(str)
    console.log(obj)
    obj.name = 'lisi'
    console.log(person)
    console.log(obj)


    // var a = 4
    // b = a
    // b = 6
    // console.log(a)
    // console.log(b)


    var a = {
      age: 30
    }
    b = a
    b.age = 100
    console.log(a)
    console.log(b)
    /* 
    浅克隆、浅拷贝： 将一个变量赋值给另一个变量，原有的变量随之改变 (引用数据类型)
    深克隆、深拷贝： 将一个变量赋值给另一个变量，修改新的变量，原有的变量不变  (基本数据类型)
    */
  </script>
</body>

</html>