练习题1 

<body onload="mm();">
<a href="">百度</a>
<a href="">腾讯</a>
<a href="">阿里</a>
</body>


<script type="text/javascript">
    function mm(){
    var a = document.getElementsByTagName("a");
    for(var i=0;i< a.length;i++){
        a[i].onmouseover=xianshi;
        }
    }
    function xianshi(){
        var div = document.createElement("div");
        div.style.position="absolute";
        div.style.top= 20+'px';
        div.style.left = 20+'px';
        div.innerHTML="就是这个feel<strong>倍爽！</strong>";
        document.body.appendChild(div);
    }
</script>
posted on 2016-06-20 15:55  拼命的菜鸟  阅读(95)  评论(0)    收藏  举报