HTML--JS 随机背景色

 1 <html>
 2     <head>
 3         <title>背景随机变色</title>
 4         <script type="text/javascript">
 5             var timmerID;
 6             function color(){
 7                 document.bgColor="#"+Math.random()*0xffffff;
 8             }
 9             function start(){
10                 timmerID=window.setInterval("color()",100);
11             }
12             function stop(){
13                 window.clearInterval(timmerID);
14             }
15             
16             
17         </script>
18     
19     </head>
20     <body>
21         <input type="button" value="启动" onclick="start()" />
22         <input type="button" value="停止" onclick="stop()" />
23         
24         
25     </body>
26 </html>