div鼠标进入显示高亮外边
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
<style>
*{
margin: 0;
padding: 0;
}
div{
width: 200px;
height: 150px;
background-color: green;
float: left;
margin-left: 10px;
border: 2px solid green;
}
</style>
</head>
<body>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<script>
var divObjs=document.getElementsByTagName("div");
for(var i=0;i<dvObjs.length;i++){
divObjs[i].onmouseover=function () {
this.style.border="2px solid red";
};
divObjs[i].onmouseout=function () {
this.style.border="";
};
}
</script>
</body>
</html>
