<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>點擊其它地方關閉DIV</title>
</head>
<body>
<input type="text" value="" id="tf"/>
<div style="width:400px; height:200px;border:1px solid #000;display:none" id="con">
<p>1111</p>
<p><span>2222</span></p>
<p><a href="#">3333</a></p>
</div>
<script>
function e(obj){return document.getElementById(obj)}
e('tf').onclick=function(event){
e('con').style.display='block';
stopBubble(event);
document.onclick=function(){
e('con').style.display='none';
document.onclick=null;
}
}
e('con').onclick=function(event){
//只阻止了向上冒泡，而沒有阻止向下捕獲，所以點擊con的內部對象時，仍然可以執行這個函數
stopBubble(event);
}
//阻止冒泡函數
function stopBubble(e){
if(e && e.stopPropagation){
e.stopPropagation(); //w3c
}else{
window.event.cancelBubble=true; //IE
}
}
</script>
</body>
</html>
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