lovecoding
/
Web1020


			
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							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        var obj = {
            name: 'zhangsan',
            age: 18,
            friend:{
                name: 'lisi',
                age: 19
            }
        }
        var obj2 = obj;
        // 浅拷贝 把第一层的值赋值给了新对象
        var obj3 = Object.assign({},obj);
        obj.age = 20;
        obj.friend.age = 20;
        console.log(obj2,obj3);
       

        // var arr = [1,2,3,4,5,[6,7,8,9]];
        // var arr2 = arr;


        // 深拷贝
        var res = deepClone(obj);//可以接受任意类型的参数 Array, Object
        
   </script>
</body>
</html>