JavaScript闭包 

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title>闭包</title>
        <style type="text/css">
            div {
                width: 100px;
                height: 100px;
                background: lightgreen;
                float: left;
                margin: 20px;
                font: 30px/100px "microsoft yahei";
                text-align: center;
            }
        </style>
    </head>
    <body>
        <div>a</div>
        <div>b</div>
        <div>c</div>
        <div>d</div>
        <div>e</div>
        <div>f</div>
        <div>g</div>
        <div>h</div>
        <div>i</div>
        <div>j</div>
        <script type="text/javascript">
            var divs=document.getElementsByTagName("div");
            for (var i=0;i<divs.length;i++) {
                divs[i].onclick=(function(n){
                    return function(){
                        alert(n);    
                    }
                })(i);
            }
        </script>
    </body>
</html>
posted @ 2017-11-26 20:50  邝勇团  阅读(106)  评论(0)    收藏  举报