鼠标跟随提示效果 

<!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> 
<script language="javascript" src="a.js"></script> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> 
<title>无标题文档</title> 
<style type="text/css"> 
 *{font:normal 14px/150% '宋体'} 
 a:link, a:visited{color:#00f; text-decoration:none} 
 a:hover, a:active{color:#f00; text-decoration:underline} 
</style> 
</head> 
<body> 
 <a href="http://www.hansir.cn" onmouseover="wsug(event, '【我的博客】http://www.hansir.cn<br />http://www.hansir.cn/blog')" onmouseout="wsug(event, 0)" target="_blank">http://www.hansir.cn</a><br /> 
 <a href="http://bbs.blueidea.com" onmouseover="wsug(event, '【经典论坛】http://bbs.blueidea.com')" onmouseout="wsug(event, 0)" target="_blank">http://bbs.blueidea.com</a><br /> 
 <a href="http://www.hansir.cn" onmouseover="wsug(event, '【我的博客】http://www.hansir.cn<br />http://www.hansir.cn/blog')" onmouseout="wsug(event, 0)" target="_blank">http://www.hansir.cn</a><br /> 
 <a href="http://bbs.blueidea.com" onmouseover="wsug(event, '【经典论坛】http://bbs.blueidea.com')" onmouseout="wsug(event, 0)" target="_blank">http://bbs.blueidea.com</a><br /> 
 <a href="http://www.hansir.cn" onmouseover="wsug(event, '【我的博客】http://www.hansir.cn<br />http://www.hansir.cn/blog')" onmouseout="wsug(event, 0)" target="_blank">http://www.hansir.cn</a><br /> 
 <a href="http://bbs.blueidea.com" onmouseover="wsug(event, '【经典论坛】http://bbs.blueidea.com')" onmouseout="wsug(event, 0)" target="_blank">http://bbs.blueidea.com</a><br /> 
</body> 
</html>

　　

 

function wsug(e, str){ // http://www.hansir.cn 
 var oThis = arguments.callee; 
 if(!str) { 
  oThis.sug.style.visibility = 'hidden'; 
  document.onmousemove = null; 
  return; 
 }   
 if(!oThis.sug){ 
  var div = document.createElement('div'), css = 'top:0; left:0; position:absolute; z-index:100; visibility:hidden'; 
   div.style.cssText = css; 
   div.setAttribute('style',css); 
  var sug = document.createElement('div'), css= 'font:normal 12px/16px "宋体"; white-space:nowrap; color:#666; padding:3px; position:absolute; left:0; top:0; z-index:10; background:#f9fdfd; border:1px solid #0aa'; 
   sug.style.cssText = css; 
   sug.setAttribute('style',css); 
  var dr = document.createElement('div'), css = 'position:absolute; top:3px; left:3px; background:#333; filter:alpha(opacity=50); opacity:0.5; z-index:9'; 
   dr.style.cssText = css; 
   dr.setAttribute('style',css); 
  var ifr = document.createElement('iframe'), css='position:absolute; left:0; top:0; z-index:8; filter:alpha(opacity=0); opacity:0'; 
   ifr.style.cssText = css; 
   ifr.setAttribute('style',css); 
  div.appendChild(ifr); 
  div.appendChild(dr); 
  div.appendChild(sug); 
  div.sug = sug; 
  document.body.appendChild(div); 
  oThis.sug = div; 
  oThis.dr = dr; 
  oThis.ifr = ifr; 
  div = dr = ifr = sug = null; 
 } 
 var ee = e || window.event, obj = oThis.sug, dr = oThis.dr, ifr = oThis.ifr; 
 obj.sug.innerHTML = str; 
  
 var w = obj.sug.offsetWidth, h = obj.sug.offsetHeight, dw = document.documentElement.clientWidth||document.body.clientWidth; dh = document.documentElement.clientHeight || document.body.clientHeight; 
 var st = document.documentElement.scrollTop || document.body.scrollTop, sl = document.documentElement.scrollLeft || document.body.scrollLeft; 
 var left = e.clientX +sl +17 + w < dw + sl && e.clientX + sl + 15 || e.clientX +sl-8 - w, top = e.clientY + st + 17; 
 obj.style.left = left+ 10 + 'px'; 
 obj.style.top = top + 10 + 'px'; 
 dr.style.width = w + 'px'; 
 dr.style.height = h + 'px'; 
 ifr.style.width = w + 3 + 'px'; 
 ifr.style.height = h + 3 + 'px'; 
 obj.style.visibility = 'visible'; 
 document.onmousemove = function(e){ 
  var ee = e || window.event, st = document.documentElement.scrollTop || document.body.scrollTop, sl = document.documentElement.scrollLeft || document.body.scrollLeft; 
  var left = e.clientX +sl +17 + w < dw + sl && e.clientX + sl + 15 || e.clientX +sl-8 - w, top = e.clientY + st +17 + h < dh + st && e.clientY + st + 17 || e.clientY + st - 5 - h; 
  obj.style.left = left + 'px'; 
  obj.style.top = top + 'px'; 
 } 
}

　　

 

 

posted @ 2014-08-10 10:05  商商-77  阅读(123)  评论(0)  编辑  收藏  举报