 演示 源码source 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>
- <meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
- <title>鼠标滑过出现提示层效果 js代码 javascript</title>
- <script type="text/javascript">
- function enableTooltips(id){
- var links,i,h;
- if(!document.getElementById || !document.getElementsByTagName) return;
- AddCss();
- h=document.createElement("span");
- h.id="btc";
- h.setAttribute("id","btc");
- h.style.position="absolute";
- document.getElementsByTagName("body")[0].appendChild(h);
- if(id==null) links=document.getElementsByTagName("a");
- else links=document.getElementById(id).getElementsByTagName("a");
- for(i=0;i<links.length;i++){
- Prepare(links[i]);
- }
- }function Prepare(el){
- var tooltip,t,b,s,l;
- t=el.getAttribute("title");
- if(t==null || t.length==0) t="link:";
- el.removeAttribute("title");
- tooltip=CreateEl("span","tooltip");
- s=CreateEl("span","top");
- s.appendChild(document.createTextNode(t));
- tooltip.appendChild(s);
- b=CreateEl("b","bottom");
- l=el.getAttribute("href");
- if(l.length>30) ll=l.substr(0,27)+"...";
- b.appendChild(document.createTextNode(l));
- tooltip.appendChild(b);
- setOpacity(tooltip);
- el.tooltip=tooltip;
- el.onmouseover=showTooltip;
- el.onmouseout=hideTooltip;
- el.onmousemove=Locate;
- }function showTooltip(e){
- document.getElementById("btc").appendChild(this.tooltip);
- Locate(e);
- }function hideTooltip(e){
- var d=document.getElementById("btc");
- if(d.childNodes.length>0) d.removeChild(d.firstChild);
- }function setOpacity(el){
- el.style.filter="alpha(opacity:95)";
- el.style.KHTMLOpacity="0.95";
- el.style.MozOpacity="0.95";
- el.style.opacity="0.95";
- }function CreateEl(t,c){
- var x=document.createElement(t);
- x.className=c;
- x.style.display="block";
- return(x);
- }function AddCss(){
- var l=CreateEl("link");
- l.setAttribute("type","text/css");
- l.setAttribute("rel","stylesheet");
- l.setAttribute("href","?.css");
- l.setAttribute("media","screen");
- document.getElementsByTagName("head")[0].appendChild(l);
- }function Locate(e){
- var posx=0,posy=0;
- if(e==null) e=window.event;
- if(e.pageX || e.pageY){
- posx=e.pageX; posy=e.pageY;
- }
- else if(e.clientX || e.clientY){
- if(document.documentElement.scrollTop){
- posx=e.clientX+document.documentElement.scrollLeft;
- posy=e.clientY+document.documentElement.scrollTop;
- }
- else{
- posx=e.clientX+document.body.scrollLeft;
- posy=e.clientY+document.body.scrollTop;
- }
- }
- document.getElementById("btc").style.top=(posy+10)+"px";
- document.getElementById("btc").style.left=(posx-20)+"px";
- }
- </script>
- <script type="text/javascript">
- window.onload=function(){enableTooltips()};
- </script>
- <style type="text/css">
- body{font: 76%/1.5 Arial,sans-serif;background: #FFF;color: #333}
- div#container{width: 500px;margin:0 auto}
- h1{color: #3CA3FF;margin: 1em 0 0;letter-spacing: -2px}
- p{margin: 0 0 1.7em}
- a{color: #F60;font-weight:bold}
- a:hover{color: #F00}
- .tooltip{
- width: 200px; color:#000;
- font:lighter 11px/1.3 Arial,sans-serif;
- text-decoration:none;text-align:center}.tooltip span.top{padding: 30px 8px 0;
- background: url(http://www.51flash.cn/wp-content/uploads/2007/0908/200708171844190.gif) no-repeat top}.tooltip b.bottom{padding:3px 8px 15px;color: #548912;
- background: url(http://www.51flash.cn/wp-content/uploads/2007/0908/200708171844190.gif) no-repeat bottom}
- </style>
- </head>
- <body>
- <div id="container">
- <p><a href="http://www.51flash.cn" title="welcome to you">51flash.cn</a></p>
- </div>
- </body>
- </html>
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