js 获取input点选按钮的值的方法

html:

<input type= "radio" name="isEnd" value='1'>是 <input type= "radio" name="isEnd" value='0' checked=checked>否 
<script type="text/javascript"> 
var isEnd; 
function getRadioVal(){ 
var temp = document.getElementsByName("isEnd"); 
for(var i=0;i<temp.length;i++) 
{ 
if(temp[i].checked){ 
isEnd = temp[i].value; 
return isEnd; 
break; 
} 
} 
} 
</script>