<!DOCTYPE html>
<html lang="en" dir="ltr">
<head>
<meta charset="utf-8">
<title>鼠标移入移出显示效果</title>
<style>
#div1 {
width: 150px;
height:50px;
background: #fffccc;
border:1px solid #999;
display: none;
}
#div2{
width: 200px;
height:200px;
background: red;
}
</style>
</head>
<body>
<input type="checkbox" onmouseover="document.getElementById('div1').style.display='block';"
onmouseout="document.getElementById('div1').style.display='none';">
<div id="div2" onmousemove="over()" onmouseout="out()"></div>
</body>
<script type="text/javascript">
function over(){
var obj=document.getElementById("div2");
obj.style.width="400px";
obj.style.height="400px";
obj.style.background="green";
}
function out(){
var obj=document.getElementById("div2");
obj.style.width="200px";
obj.style.height="200px";
obj.style.background="red";
}
</script>
</html>
JS：鼠标移入移出事件监听
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转载自blog.csdn.net/qq_42192693/article/details/82426617
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