<html>
<head>
<script type="text/javascript">
function test(){
window.alert("你投了一票");
//解除绑定 IE 独有
//document.getElementById("tp").detachEvent("onclick",test);
//W3C 标准
document.getElementById("tp").removeEventListener("click",test);
}
</script>
</head>
<body>
<input type="button" id="tp" value="投票" />
</body>
<script>
//绑定事件监听 IE独有
//document.getElementById("tp").attachEvent("onclick",test);
////W3C 标准
document.getElementById("tp").addEventListener("click",test);
</script>
</html>