The MouseOver event is triggered regardless of whether the mouse pointer passes through the selected element or its child elements.
The MouseEnter event is triggered only when the mouse pointer passes through the selected element.
The test code is as follows:
<script type= "Text/javascript" src= "/jquery/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>
<body>
<p> triggers the MouseOver event regardless of whether the mouse pointer passes through the selected element or its child elements. </p>
<p> The MouseEnter event is triggered only when the mouse pointer passes through the selected element. </p>
<div class= "Over" style= "Background-color:lightgray;padding:20px;width:40%;float:left" >
</div>
<div class= "Enter" style= "Background-color:lightgray;padding:20px;width:40%;float:right" >
</div>
</body>
The results are as follows:
The difference is whether the child element can trigger the function!
The difference between mouseover and MouseEnter, Mouseout and MouseLeave
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