时间：2021-07-01 10:21:17 帮助过：11人阅读
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title>无标题文档</title><style type="text/css">
#apDiv1 {position: absolute;left: 251px;top: 51px;width: 529px;height: 210px;z-index: 2;background-color: #0000FF;}
#closebt {position: absolute;top: 0;right: 0;background: red;}
#apDiv2 {position: absolute;left: 128px;top: 381px;width: 912px;height: 18663px;z-index: -1;background-color: #FF0000;}-->
</style><script>var xx = 0;function init() {//获取元素的top值 xx = document.getElementById("apDiv1").offsetTop;
}function aa() {if (document.body.scrollTop)
{//兼容谷歌
document.getElementById("apDiv1").style.top = xx + document.body.scrollTop + "px";
} else {//兼容ie，火狐
document.getElementById("apDiv1").style.top = xx + document.documentElement.scrollTop + "px";
}
}
window.onscroll = aa;function closetext() {
document.getElementById("closebt").style.display="none";
document.getElementById("apDiv1").style.display="none";
}</script>
</head>
<body onload="init()">
<div id="apDiv1"><span id="closebt"><a href="#" onclick="closetext()">可关闭</a>
</span></div><div id="apDiv2">
</div>
</body>
</html>以上就是js实现关闭悬浮框广告特效详解的详细内容，更多请关注Gxl网其它相关文章！