Definition and Usage
The mouseleave event occurs when the mouse pointer leaves an element.
This event is most often used together with the mouseenter event.
mouseleave() method triggers the mouseleave event, or specifies a function to run when the mouseleave event occurs.
Note: Unlike the mouseout event, the mouseleave event will only be triggered when the mouse pointer leaves the selected element. If the mouse pointer leaves any child element, the mouseout event will also be triggered.
Let’s take a look at an example
<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.out").mouseout(function(){
$(".out span").text(x+=1);
});
$("div.leave").mouseleave(function(){
$(".leave span").text(y+=1);
});
});
</script>
</head>
<body>
<p>不论鼠标指针离开被选元素还是任何子元素，都会触发 mouseout 事件。</p>
<p>只有在鼠标指针离开被选元素时，才会触发 mouseleave 事件。</p>
<div class="out" style="background-color:lightgray;padding:20px;width:300px;">
<h2 style="background-color:white;">被触发的 Mouseout 事件：<span></span></h2>
</div>
</br>
<div class="leave" style="background-color:lightgray;padding:20px;width:300px;">
<h2 style="background-color:white;">被触发的 Mouseleave 事件：<span></span></h2>
</div>
</body>
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