注意不能直接用close()命名关闭广告函数，避免冲突。
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html ="http://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>
原标题：js实现可关闭悬浮框广告特效，兼容（谷歌，火狐，Ie）
关键词：JS
我知道了 