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首页 / 脚本样式 / JavaScript / 模拟弹出窗口效果，关闭层之前，不能选择后面的页内容

<script type="text/javascript" language="javascript"> //more javascript from http://www.smallrain.net function sAlert（str）{ var msgw,msgh,bordercolor; msgw=400;//提示窗口的宽度 msgh=100;//提示窗口的高度 titleheight=25 //提示窗口标题高度 bordercolor="#c51100";//提示窗口的边框颜色 titlecolor="#c51100";//提示窗口的标题颜色var sWidth,sHeight; sWidth=screen.width; sHeight=screen.height; var bgObj=document.createElement（"div"）; bgObj.setAttribute（"id","bgDiv"）; bgObj.style.position="absolute"; bgObj.style.top="0"; bgObj.style.background="#cccccc"; bgObj.style.filter="progid:DXImageTransform.Microsoft.Alpha（style=3,opacity=25,finishOpacity=75"; bgObj.style.opacity="0.6"; bgObj.style.left="0"; bgObj.style.width=sWidth + "px"; bgObj.style.height=sHeight + "px"; bgObj.style.zIndex = "10000"; document.body.appendChild（bgObj）;var msgObj=document.createElement（"div"） msgObj.setAttribute（"id","msgDiv"）; msgObj.setAttribute（"align","center"）; msgObj.style.background="white"; msgObj.style.border="1px solid " + bordercolor; msgObj.style.position = "absolute"; msgObj.style.left = "50%"; msgObj.style.top = "50%"; msgObj.style.font="12px/1.6em Verdana, Geneva, Arial, Helvetica, sans-serif"; msgObj.style.marginLeft = "-225px" ; msgObj.style.marginTop = -75+document.documentElement.scrollTop+"px"; msgObj.style.width = msgw + "px"; msgObj.style.height =msgh + "px"; msgObj.style.textAlign = "center"; msgObj.style.lineHeight ="25px"; msgObj.style.zIndex = "10001";var title=document.createElement（"h4"）;title.setAttribute（"id","msgTitle"）;title.setAttribute（"align","right"）;title.style.margin="0";title.style.padding="3px";title.style.background=bordercolor;title.style.filter="progid:DXImageTransform.Microsoft.Alpha（startX=20, startY=20, finishX=100, finishY=100,style=1,opacity=75,finishOpacity=100）;";title.style.opacity="0.75";title.style.border="1px solid " + bordercolor;title.style.height="18px";title.style.font="12px Verdana, Geneva, Arial, Helvetica, sans-serif";title.style.color="white";title.style.cursor="pointer";title.innerHTML="关闭";title.onclick=function（）{ document.body.removeChild（bgObj）; document.getElementById（"msgDiv"）.removeChild（title）; document.body.removeChild（msgObj）; }document.body.appendChild（msgObj）;document.getElementById（"msgDiv"）.appendChild（title）;var txt=document.createElement（"p"）;txt.style.margin="1em 0"txt.setAttribute（"id","msgTxt"）;txt.innerHTML=str;document.getElementById（"msgDiv"）.appendChild（txt）; } </script><input type="button" value="点击这里" onclick="sAlert（"test弹窗效果"）;" />

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

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