日期:2014-05-17 浏览次数:20815 次
<!DOCTYPE html>
<html>
<head>
<script>  
function fun()
{
  // var Arr=new Array( "1.jpg ", "2.jpg ")  
 //  var i=0 ;
   var aa=document.getElementById("aa");
   aa.style.background="url(2.jpg)";
   alert("sdfsdfsdf"); 
}
</script>  
</head>
<body>
<table width=500 height=100 id= "aa " background="1.jpg" >  
<tr> <td>  
aaaa  
</td> </tr>  
</table>  
<input type="submit" value="Button" id="bb" onClick="fun();"/>
</body>
</html>