lovecoding
/
web0715


			
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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 arr = [1,2,3,['a','b']];
        // // 扩展运算符只能实现浅拷贝
        // var arr2 = [...arr];
        // arr[0] = "hello";
        // arr[3][0] = "world";
        // console.log(arr2);


        // var arr = [1,2,3,['a','b','c']];
        // var arr2 = arr;
        // arr[0] = "hello";
        // console.log(arr2);


        var arr = [1,2,3,['a','b','c']];
        var obj = {
            a:1,
            b:2,
            c:{
                str:"hello",
                num:10
            }
        }
        var newArr = deepClone(arr);
        var newObj = deepClone(obj);


    </script>
</body>
</html>