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>
    <ul>
        <li>a</li>
        <li>b</li>
        <li>c</li>
        <li>d</li>
    </ul>
    <script>
        var aLi = document.getElementsByTagName("li");

        for (var i = 0; i < aLi.length; i++) {
            aLi[i].index = i;
            aLi[i].onclick = function () {
                aLi[this.index].innerText = "hello";
                console.log(this.innerText);
                console.log(this.index);
            }
        }


        // var obj = {
        //     a:1,
        //     b:2,
        //     foo:function(){
        //         console.log("hello");
        //     }
        // }

        // delete obj.b;

        // obj.c = 3;
        // console.log(obj);

        // delete console.log;
        // console.lovecoding = function(){
        //     console.log("爱扣钉");
        // }

        // console.lovecoding();


    </script>
</body>

</html>