怎么取消事件冒泡
日期：2014-05-16 浏览次数：20311 次
如何取消事件冒泡?
我要的是只要光标还在wrap上就不触发onmouseout.
现在是光标移到a链接上都触发onmouseout.
------解决方案--------------------
我要的是只要光标还在wrap上就不触发onmouseout.
现在是光标移到a链接上都触发onmouseout.
- HTML code
<!doctype HTML>
<html>
<head>
<title>scroll</title>
<style type="text/css">
#box{width:400px;height:143px;overflow:hidden;position:relative;float:left}
ul{position:absolute;left:0;top:0;margin:0px}
#slider{width:10px;height:143px;background:#ccc;float:left;position:relative}
#slider_btn{position:absolute;top:0;left:0;height:30px;width:10px;background:orange}
#wrap{background:orange;padding:10px 0}
#wrap a{background:red}
#box{background:blue}
</style>
</head>
<body>
<div id="wrap">
<a href="">sdsad</a>
</div>
<div id="box">sdsd</div>
<script type="text/javascript">
var $ = function(id){return document.getElementById(id)};
function aa(){
$("box").style.display = "block";
console.log("aa")
}
function bb(){
$("box").style.display = "none";
console.log("bb")
}
$("wrap").onmouseover = function(e){
aa();
}
$("wrap").onmouseout = function(e){
bb();
}
</script>
</body>
</html>
------解决方案--------------------
- HTML code
<!doctype HTML>
<html>
<head>
<title>scroll</title>
<style type="text/css">
#box{width:400px;height:143px;overflow:hidden;position:relative;float:left;display:none}
ul{position:absolute;left:0;top:0;margin:0px}
#slider{width:10px;height:143px;background:#ccc;float:left;position:relative}
#slider_btn{position:absolute;top:0;left:0;height:30px;width:10px;background:orange}
#wrap{background:orange;padding:10px 0}
#wrap a{background:red}
#box{background:blue}
</style>
</head>
<body>
<div id="wrap">
<a href="">sdsad</a>
</div>
<div id="box">sdsd</div>
<script type="text/javascript">
var $ = function(id){
return document.getElementById(id)
};
function aa(){
$("box").style.display = "block";
console.log("aa")
}
function bb(){
$("box").style.display = "none";
console.log("bb")
}
function hasChild(elem1, elem2){
var childs = elem1.getElementsByTagName('*');
for(var i = 0, len = childs.length; i < len; i++){
if(elem2 === childs[i]){
return true;
}
}
return false;
}
$("wrap").onmouseover = function(e){
var event = e || window.event,
target = event.target || event.srcElement,
relatedTarget = event.relatedTarget || event.fromElement;
if(target === this && !hasChild(this,relatedTarget)){
aa();
}
}
$("wrap").onmouseout = function(e){
var event = e || window.event,
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