javascript实现字符串反转

<html>

<head>
<script language="javascript">
    
function reverse()
    {
        
var str=document.getElementById("input").value;
        
var a=str.split('');
        
var result=new Array();
        
while(a.length)
        {
            result.push(a.pop());
        }
        document.getElementById(
"result").innerHTML=result.join('');
    }
</script>


<title>javascript</title>

</head>

<body>
    
<table>
    
<tr>
    
<td><input type="textfield" id="input"/>=&gt;</td>
    
<td><div id="result"></div></td>
    
</tr>
    
</table>
    
<input type="button" value="reverse" onclick="reverse()"/>
</body>

</html>

 

posted @ 2010-03-11 17:36  HeartLight  阅读(1143)  评论(2编辑  收藏  举报