jQuery ??? ??? mouseenter() ???
mouseenter()
?? ? ???
mouseenter ???? ??? ???? ??? ??? ? ?????.
? ???? mouseleave ???? ?? ?? ?? ?????.
mouseenter() ???? mouseenter ???? ?????? mouseenter ???? ??? ? ??? ??? ?????.
??: mouseover ???? ?? mouseenter ???? ??? ???? ??? ??? ??? ?? ??????. ??? ???? ?? ??? ???? mouseover ???? ??????.
<html>
<head>
<meta charset="utf-8">
<script src="http://libs.baidu.com/jquery/1.9.1/jquery.js"></script>
<script type="text/javascript">
x=0;
y=0;
$(document).ready(function(){
$("div.over").mouseover(function(){
$(".over span").text(x+=1);
});
$("div.enter").mouseenter(function(){
$(".enter span").text(y+=1);
});
});
</script>
</head>
<body>
<p>不論鼠標指針穿過被選元素或其子元素，都會觸發(fā) mouseover 事件。</p>
<p>只有在鼠標指針穿過被選元素時，才會觸發(fā) mouseenter 事件。</p>
<div class="over" style="background-color:lightgray;padding:20px;width:300px;">
<h2 style="background-color:white;">被觸發(fā)的 Mouseover 事件：<span></span></h2>
</div>
</br></br>
<div class="enter" style="background-color:lightgray;padding:20px;width:300px;">
<h2 style="background-color:white;">被觸發(fā)的 Mouseenter 事件：<span></span></h2>
</div>
</body>
</html>
