<html>
<head>
<script src="https://libs.baidu.com/jquery/1.10.2/jquery.min.js">
</script>
<script>
x=0;
y=0;
$(document).ready(function(){
$("div.over").mouseout(function(){
$(".over span").text(x+=1);
});
$("div.enter").mouseleave(function(){
$(".enter span").text(y+=1);
});
});
</script>
</head>
<body>
<p>The mouseout event triggers when the mouse pointer leaves any child elements as well the selected element.</p>
<p>The mouseleave event is only triggered when the mouse pointer leaves the selected element. </p>
<div class="over" style="background-color:lightgray;padding:20px;width:250px;float:left">
<h3 style="background-color:white;">Mouseout event triggered: <span></span></h3>
</div>
<div class="enter" style="background-color:lightgray;padding:20px;width:250px;float:right">
<h3 style="background-color:white;">Mouseleave event triggered: <span></span></h3>
</div>
</body>
</html>