Changcolor
1 <script>
2 function changecolor(dom){
3 dom.style.backgroundColor = "gray";
4 }
5 function changeback(dom){
6 dom.style.backgroundColor = "green";
7 }
8 </script>
9 <style type="text/css">
10 div{
11 width:200px;
12 height:200px;
13 border:1px solid #000;
14 background-color:green;
15 }
16 </style>
17 </head>
18
19 <body>
20 <div onmouseover = "changecolor(this)" onmouseout = "changeback(this)"> </div>
21 </body>
