点击弹出居中的遮罩层代码 .

来源:互联网 发布:淘宝上衣服尺寸怎么看 编辑:程序博客网 时间:2024/06/05 03:17
<!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"><head><title>点击弹出居中的遮罩层代码</title><meta http-equiv="content-type" content="text/html;charset=gb2312"><style type="text/css">.hidden{display:none;}#smallLay{width:498px; height:100px;padding:4px 10px 10px;background-color:#FFFFFF;border:1px solid #05549d;color:#333333;line-height:24px;text-align:left;-webkit-box-shadow:5px 2px 6px #000;-moz-box-shadow:3px 3px 6px #555;}</style><script type="text/javascript">function showid(idname){var isIE = (document.all) ? true : false;var isIE6 = isIE && ([/MSIE (\d)\.0/i.exec(navigator.userAgent)][0][1] == 6);var newbox=document.getElementById(idname);newbox.style.zIndex="9999";newbox.style.display="block"newbox.style.position = !isIE6 ? "fixed" : "absolute";newbox.style.top =newbox.style.left = "50%";newbox.style.marginTop = - newbox.offsetHeight / 2 + "px";newbox.style.marginLeft = - newbox.offsetWidth / 2 + "px";  var layer=document.createElement("div");layer.id="layer";layer.style.width=layer.style.height="100%";layer.style.position= !isIE6 ? "fixed" : "absolute";layer.style.top=layer.style.left=0;layer.style.backgroundColor="#000";layer.style.zIndex="9998";layer.style.opacity="0.6";document.body.appendChild(layer);var sel=document.getElementsByTagName("select");for(var i=0;i<sel.length;i++){        sel[i].style.visibility="hidden";}function layer_iestyle(){      layer.style.width=Math.max(document.documentElement.scrollWidth, document.documentElement.clientWidth)+ "px";layer.style.height= Math.max(document.documentElement.scrollHeight, document.documentElement.clientHeight) +"px";}function newbox_iestyle(){      newbox.style.marginTop = document.documentElement.scrollTop - newbox.offsetHeight / 2 + "px";newbox.style.marginLeft = document.documentElement.scrollLeft - newbox.offsetWidth / 2 + "px";}if(isIE){layer.style.filter ="alpha(opacity=60)";}if(isIE6){  layer_iestyle()newbox_iestyle();window.attachEvent("onscroll",function(){                              newbox_iestyle();})window.attachEvent("onresize",layer_iestyle)          }  layer.onclick=function(){newbox.style.display="none";layer.style.display="none";for(var i=0;i<sel.length;i++){sel[i].style.visibility="visible";}}}</script></head><body><input type="button" id="showbtn" name="showbtn" value="点我弹出层" onclick="showid('smallLay');"><div id="smallLay" style="display:none;"></div><div style ="height:1024px;"></div></body></html>

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