Question

js怎么做弹窗弹窗口处于用户浏览器上下左右居中效果

Answer 1

<Script language="javascript" type="text/javascript">
function openwindow(url,name,iWidth,iHeight)
{
var url; //转向网页的地址;
var name; //网页名称，可为空;
var iWidth; //弹出窗口的宽度;
var iHeight; //弹出窗口的高度;
var iTop = (window.screen.availHeight-30-iHeight)/2; //获得窗口的垂直位置;
var iLeft = (window.screen.availWidth-10-iWidth)/2; //获得窗口的水平位置;
window.open(url,name,'height='+iHeight+',,innerHeight='+iHeight+',width='+iWidth+',innerWidth='+iWidth+',top='+iTop+',left='+iLeft+',toolbar=no,menubar=no,scrollbars=auto,resizeable=no,location=no,status=no');
}
</Script>
<a href="JavaScript:openwindow('要弹出的页面','NewWin','200','200')">点击</a>

Answer 2

用绝对定位和相对定位，把他飘上去然后用left和top调整位置