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>
        // let a = 10;
        // let b = a;
        // a = 20;
        // console.log(b);

        // let arr = [1,2,3];
        // let arr2 = arr;
        // arr[1] = "a";
        // console.log(arr2);

        // let obj = {
        //     name: "张三",
        //     age: 18
        // }
        // let obj2 = obj;
        // obj.name = "李四";
        // console.log(obj2);

        let arr = [1,2,3,4,5,['a','b','c']];
        let arr2 = [];
        for(let i=0;i<arr.length;i++){
            arr2.push(arr[i]);
        }
        arr[0] = 100;
        arr[5][0] = "x";
        console.log(arr2,arr);

        

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