日期:2014-05-16  浏览次数:20502 次

一个网上流传的超经典的js代码,运行一下就知道有多酷了。
<html>
<head>
<script language=JavaScript>
	//***********默认设置定义.*********************
	tPopWait=2;					//设置停留多少豪秒后显示提示。
	tPopShow=1000;			//设置显示多少豪秒后关闭提示
	showPopStep=1;			//设置完成显示的速度
	popOpacity=60;				//设置显示透明度
	backColor='#f4ffe0';		//设置背景颜色
	fontColor='#000000';		//设置字体颜色
	borderColor='#006600';	//设置边框颜色
	fontSize=9;					//设置字体大小
	//***************内部变量定义*****************
	sPop=null;
	curShow=null;
	tFadeOut=null;
	tFadeIn=null;
	tFadeWaiting=null;
	document.write("<style type='text/css'id='defaultPopStyle'>");
	document.write(".cPopText { background-color:");
	document.write(backColor);				//设置背景颜色
	document.write(";color:");
	document.write(fontColor);				//设置字体颜色
	document.write(";border: 1px ");
	document.write(borderColor);				//设置边框颜色
	document.write(" solid;font-size:");
	document.write(fontSize);					//设置字体大小
	document.write("pt;padding:2px;filter: Alpha(Opacity=0)}");
	document.write("</style>");
	document.write("<div id='dypopLayer' style='position:absolute;z-index:1000;' class='cPopText'></div>");
	function showPopupText(){
	var o=event.srcElement;
	MouseX=event.x;
	MouseY=event.y;
	if(o.alt!=null && o.alt!=""){o.dypop=o.alt;o.alt=""};
	if(o.title!=null && o.title!=""){o.dypop=o.title;o.title=""};
	if(o.dypop!=sPop) {
	sPop=o.dypop;
	clearTimeout(curShow);
	clearTimeout(tFadeOut);
	clearTimeout(tFadeIn);
	clearTimeout(tFadeWaiting);
	if(sPop==null || sPop=="") {
	dypopLayer.innerHTML="";
	dypopLayer.style.filter="Alpha()";
	dypopLayer.filters.Alpha.opacity=0;
	}
	else {
	if(o.dyclass!=null) popStyle=o.dyclass
	else popStyle="cPopText";
	curShow=setTimeout("showIt()",tPopWait);
	}}}
	function showIt(){
	dypopLayer.className=popStyle;
	dypopLayer.innerHTML=sPop;
	popWidth=dypopLayer.clientWidth;
	popHeight=dypopLayer.clientHeight;
	if(MouseX+12+popWidth>document.body.clientWidth) popLeftAdjust=-popWidth-24
	else popLeftAdjust=0;
	if(MouseY+12+popHeight>document.body.clientHeight) popTopAdjust=-popHeight-24
	else popTopAdjust=0;
	dypopLayer.style.left=MouseX+12+document.body.scrollLeft+popLeftAdjust;
	dypopLayer.style.top=MouseY+12+document.body.scrollTop*2;//+popTopAdjust;
	dypopLayer.style.filter="Alpha(Opacity=0)";
	fadeOut();
	}
	function fadeOut(){
	if(dypopLayer.filters.Alpha.opacity<popOpacity) {
	dypopLayer.filters.Alpha.opacity+=showPopStep;
	tFadeOut=setTimeout("fadeOut()",1);
	}
	else {
	dypopLayer.filters.Alpha.opacity=popOpacity;
	tFadeWaiting=setTimeout("fadeIn()",tPopShow);
	}}
	function fadeIn(){
	if(dypopLayer.filters.Alpha.opacity>0) {
	dypopLayer.filters.Alpha.opacity-=1;
	tFadeIn=setTimeout("fadeIn()",1);
	}}
	document.onmouseover=showPopupText;
	</script>
</head>
<body>
<a href="#" title="看到超酷效果了吗?请停留一会儿,它会慢慢消失!<br/>怎么样,不错吧?<br/><img src='http://bbs.blueidea.com/images/blue/logo.gif' />">请把鼠标移到这里,看看效果!</a>
</body>
</html>
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