<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<style>
.nodeSmall {
width: 50px;
height: 50px;
background: url(images/bgs.png) no-repeat -159px -51px;
position: fixed;
right: 10px;
top: 40%;
}
.erweima {
position: absolute;
top: 0;
left: -150px;
}
.nodeSmall a {
display: block;
width: 50px;
height: 50px;
}
.hide {
display: none;
}
.show {
display: block;
}
</style>
</head>
<body>
<div class="nodeSmall" id="node_small">
<div class="erweima hide" id="er">
<img src="images/456.png" alt="" />
</div>
</div>
<script src="common.js"></script>
<script>
// 当鼠标移入 onmouseover
// 当鼠标移出 onmouseout
var nodeSmall = my$('node_small');
nodeSmall.onmouseover = function() {
//my$('er').className = 'erweima show';
my$('er').className = my$('er').className.replace('hide', 'show');
}
nodeSmall.onmouseout = function() {
//my$('er').className = 'erweima hide';
my$('er').className = my$('er').className.replace('show', 'hide');
}
</script>
</body>
</html>
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转载自blog.csdn.net/weixin_42442123/article/details/87913597
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