js 层缓冲放大效果
层2 500*200
层3 200*500
层4 500*500
源码
Code<!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><title>js 层缓冲放大效果</title>
<style>
body {margin:0px}
#Loading {position:absolute;z-index:10;left:10px;top:10px;border:1px #666666 solid;background:#eeeeee;width:10px;height:10px}
</style>
<script LANGUAGE="JavaScript">
<!--
function $(){return document.getElementById?document.getElementById(arguments[0]):eval(arguments[0]);}
var OverH,OverW,ChangeDesc,ChangeH=20,ChangeW=20;
function OpenDiv(_Dw,_Dh,_Desc) {
$("Loading").innerHTML="";
OverH=_Dh;OverW=_Dw;ChangeDesc=_Desc;
$("Loading").style.display='';
if(_Dw>_Dh){ChangeH=Math.ceil((_Dh-10)/((_Dw-10)/20))}else if(_Dw<_Dh){ChangeW=Math.ceil((_Dw-10)/((_Dh-10)/20))}
$("Loading").style.top=(document.documentElement.clientHeight-10)/2+"px";
$("Loading").style.left=(document.documentElement.clientWidth-10)/2+"px";
OpenNow()
}
var Nw=10,Nh=10;
function OpenNow() {
Nw=Nw+ChangeW;Nh=Nh+ChangeH;
if(OverW>Nw||OverH>Nh) {
if(OverW>Nw) {
$("Loading").style.width=Nw+"px";
$("Loading").style.left=(document.documentElement.clientWidth-Nw)/2+"px";
}
if(OverH>Nh) {
$("Loading").style.height=Nh+"px";
$("Loading").style.top=(document.documentElement.clientHeight-Nh)/2+"px"
}
window.setTimeout("OpenNow()",10)
}else{
Nw=10;Nh=10;ChangeH=20;ChangeW=20;
$("Loading").innerHTML=ChangeDesc;
}
}
//-->
</script>
</head>
<body>
<a href="javascript:OpenDiv(500,300,'层1<br>双击关闭')">层1 500*300</a><br><br>
<a href="javascript:OpenDiv(500,200,'层2<br>双击关闭')">层2 500*200</a><br><br>
<a href="javascript:OpenDiv(200,500,'层3<br>双击关闭')">层3 200*500</a><br><br>
<a href="javascript:OpenDiv(500,500,'层4<br>双击关闭')">层4 500*500</a>
<div id="Loading" style="display:none" ondblclick="this.style.display='none'"></div>
</body>
</html>
