锁屏JavaScript片段
var docEle = function() {
return document.getElementById(arguments[0]) || false;
}
function cloDiv(){
var overlayID="overlay";
var msgID = "overlayMsg";
document.body.removeChild(docEle(overlayID));
document.body.removeChild(docEle(msgID));
}
function openNewDiv() {
var overlayID="overlay";
var msgID = "overlayMsg";
if (docEle(overlayID)) document.removeChild(docEle(overlayID));
if (docEle(msgID)) document.removeChild(docEle(msgID));
// 消息显示
var newDiv = document.createElement("div");
newDiv.id = msgID;
newDiv.style.position = "absolute";
newDiv.style.zIndex = "999";
newDiv.style.width = "200px";
newDiv.style.height = "30px";
var scrolltop = window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop || 0;
var _clientheight=0;
//ie FF 在有DOCTYPE时各有区别
_clientheight = Math.min(document.body.clientHeight , document.documentElement.clientHeight);
if(_clientheight==0)
_clientheight= Math.max(document.body.clientHeight , document.documentElement.clientHeight);
var _clientwidth= document.documentElement.clientWidth || document.body.clientWidth;
//整个页面的高度
var _pageheight = Math.max(document.body.scrollHeight,document.documentElement.scrollHeight);
var msgtop = (scrolltop+((_clientheight)/2)+100)+"px";
var msgleft = (_clientwidth-200)/2+"px";
newDiv.style.top = msgtop;
newDiv.style.left =msgleft; // 屏幕居中
newDiv.style.background = "#CDCDCD";
newDiv.style.border = "1px solid #EFEFEF";
newDiv.style.padding = "5px";
newDiv.innerHTML = "正在获取Config,请稍等...";
document.body.appendChild(newDiv);
// 锁屏图层
var newMask = document.createElement("div");
newMask.id = overlayID;
newMask.style.position = "absolute";
newMask.style.zIndex = "998";
newMask.style.width = _clientwidth + "px";
newMask.sty
相关文档：
[新闻资讯] 可以把javaScript嵌入到swf里了
资讯类型: 翻译
来源页面: http://www.kennybunch.com/blog/2009/09/embedding-javascript-into-a-swf/
资讯原标题: Embedding JavaScript into a SWF
资讯原作者: Kenny Bunch
flex 开发者应该对使用Embed元数据标签嵌入各种资源都很熟悉了，现在在flash cs4中同样可� ......
1. document.write( " "); 输出语句
2.JS中的注释为//
3.传统的HTML文档顺序是:document- >html- >(head,body)
4.一个浏览器窗口中的DOM顺序是:window- >(navigator,screen,history,location,document)
5.得到表单中元素的名称和值:document.getElementById( "表单中元素的ID號 ").name(或valu ......
原文：刘武|Javascript怎么在两个窗体之间传值
众所周知window.open() 函数可以用来打开一个新窗口，那么如何在子窗体中向父窗体传值呢，其实通过window.opener即可获取父窗体的引用。
如我们新建窗体FatherPage.htm:
XML-Code:
<script type="text/javascript">
function OpenChildWindow()
{ ......
<html>
<head>
<title></title>
</head>
<body>
<form id=aa name=aa>
<input type=button value="同意(10)" id=a1 disabled="disabled">
</form>
</body>
</html>
<script>
var num=10;
window.setTimeout("aa()",1000);
function ......
很久就想总结一下关于javascript性能优化方面的一些东西，平时也有注意收集这方面的资料。把del.icio.us里的收藏的东西翻出来看一遍，才惊奇地发现，这些所谓的优化方法大多出自《javascript高级程序设计》一书，当然也有个别
不一样的。总之这本书上关于javascript性能优化的内容足足用了近20页来进行阐述，所以今天我也� ......
