//本文支持js在线工具测试、转载请注明出处。

<htmlxmlns="http://www.w3.org/1999/xhtml"> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"/> 
<title>UntitledDocument</title> 
<script> 
function openDiv(newDivID) 
{ 
var newMaskID = "mask"; //遮罩层id 
var newMaskWidth =document.body.scrollWidth;//遮罩层宽度 
var newMaskHeight =document.body.scrollHeight;//遮罩层高度 
//mask遮罩层 
var newMask = document.createElement("div");//创建遮罩层 
newMask.id = newMaskID;//设置遮罩层id 
newMask.style.position = "absolute";//遮罩层位置 
newMask.style.zIndex = "1";//遮罩层zIndex 
newMask.style.width = newMaskWidth + "px";//设置遮罩层宽度 
newMask.style.height = newMaskHeight + "px";//设置遮罩层高度 
newMask.style.top = "0px";//设置遮罩层于上边距离 
newMask.style.left = "0px";//设置遮罩层左边距离 
newMask.style.background = "gray";//#33393C//遮罩层背景色 
newMask.style.filter = "alpha(opacity=40)";//遮罩层透明度IE 
newMask.style.opacity = "0.40";//遮罩层透明度FF 
document.body.appendChild(newMask);//遮罩层添加到DOM中 

window.open(\'http://www.baidu.com\',\'_blank\',\'width=500,height=260,menubar=no,toolbar=no\');  //弹出子页面,具体自用自改

//弹出层滚动居中 
function newDivCenter() 
{ 
newDiv.style.top = (document.body.scrollTop + document.body.clientHeight/2 
- newDivHeight/2) + "px"; 
newDiv.style.left = (document.body.scrollLeft + document.body.clientWidth/2 
- newDivWidth/2) + "px"; 
} 
if(document.all)//处理滚动事件,使弹出层始终居中 
{ 
window.attachEvent("onscroll",newDivCenter); 
} 
else 
{ 
window.addEventListener(\'scroll\',newDivCenter,false); 
} 

//关闭新图层和mask遮罩层 

var newA = document.createElement("span"); 
newA.href = "#"; 
newA.style.position = "absolute";//span位置 
newA.style.left=350+ "px"; 
newA.innerHTML = "Close"; 
newA.onclick = function()//处理关闭事件 
{ 
if(document.all) 
{ 
window.detachEvent("onscroll",newDivCenter); 
} 
else 
{ 
window.removeEventListener(\'scroll\',newDivCenter,false); 
} 
document.body.removeChild(newMask);//移除遮罩层 
document.body.removeChild(newDiv);////移除弹出框 
return false; 
} 
newDiv.appendChild(newA);//添加关闭span 
} 
</script> 
</head>

<BODY> 
<a onclick="openDiv(\'newDiv\');" style="cursor:pointer">点我点我</a> 
<br>
username:<input type="text" name="uname"/><br>
u p w d:<input type="password" name="upwd"/>
<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 /><br /><br /><br /><br /> 
<br /><br /><br /><br /><br /><br /> 
<a onclick="openDiv(\'newDiv\');" style="cursor:pointer">点我点我</a> 
</BODY> 
</html>

 

 

出处:http://blog.csdn.net/xuexiaodong009/article/details/6605417

参考文档:http://blog.csdn.net/alex197963/article/details/4456174

版权声明:本文为haohao111原创文章,遵循 CC 4.0 BY-SA 版权协议,转载请附上原文出处链接和本声明。
本文链接:https://www.cnblogs.com/haohao111/p/5159527.html