日期:2014-05-16 浏览次数:20344 次
<!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>基于JQuery的JS遮罩层效果</title>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.2.6/jquery.min.js"></script>
<script type="text/javascript">
function showDiv() {
document.body.style.overflow = 'hidden';
var docHeight = Math.max(document.documentElement.scrollHeight,
document.documentElement.clientHeight);
var docWidth = Math.max(document.documentElement.scrollWidth,
document.documentElement.clientWidth);
var _div = document.createElement('div');
_div.className = 'divClass';
_div.setAttribute('id', 'divId');
document.body.appendChild(_div);
document.getElementById('divId').style.width = docWidth + 'px';
document.getElementById('divId').style.height = docHeight + 'px';
var _divAlert = document.createElement('div');
_divAlert.className = 'divalert';
_divAlert.id = 'divalert';
document.body.appendChild(_divAlert);
document.getElementById('divalert').style.left = (document.documentElement.clientWidth - 200)/2 + 'px';
document.getElementById('divalert').style.top = (document.documentElement.clientHeight - 100)/2 + 'px';
var _divContent = document.createElement('div');
_divContent.id = 'divcontent';
_divAlert.appendChild(_divContent);
var _divbtn = document.createElement('div');
_divbtn.id = 'divbtn';