用DIV模拟弹出窗口－－窗体滚动跟随

来源：互联网发布：java split函数用法编辑：程序博客网时间：2024/05/21 08:38
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" lang="zh-CN"><head><title>丁学-博客园-http://www.cnblogs.com/dingxue</title><script>function getPosition() {      var top    = document.documentElement.scrollTop;      var left   = document.documentElement.scrollLeft;      var height = document.documentElement.clientHeight;      var width  = document.documentElement.clientWidth;      return {top:top,left:left,height:height,width:width};}function showPop(){var width  = 300;  //弹出框的宽度var height = 160;  //弹出框的高度var obj    = document.getElementById("pop");obj.style.display  = "block";obj.style.position = "absolute";obj.style.zindex   = "999";obj.style.width    = width + "px";obj.style.height   = height + "px";var Position = getPosition();leftadd = (Position.width-width)/2;topadd  = (Position.height-height)/2;obj.style.top  = (Position.top  + topadd)  + "px";obj.style.left = (Position.left + leftadd) + "px";window.onscroll = function (){var Position   = getPosition();obj.style.top  = (Position.top  + topadd)  +"px";obj.style.left = (Position.left + leftadd) +"px";};}function hidePop(){document.getElementById("pop").style.display = "none";}</script></head><body>丁学－－博客园－－http://www.cnblogs.com/dingxue<div id="pop" style="border:1px solid #CCC;display:none;">test<br><a href="javascript:hidePop();" mce_href="javascript:hidePop();">hide</a></div><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><a href="javascript:showPop()" mce_href="javascript:showPop()">show</a><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br></body></html>