js超漂亮的鼠标提示，带人性化缺口

<!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>鼠标提示符</title> <style> * { padding: 0; margin: 0; } li { } body { background: #fdf7f7; } #explain { height: 60px; border-bottom: 1px solid #999999; background: #eee; font-size: 14px; color: #666; text-align: center; line-height: 60px; } #explain a { color: #990000; font-weight: bold; text-decoration: none; border-bottom: 1px dotted #990000; } #explain a:hover { border-bottom: 2px solid #990000; } #explain strong { color: #990000; } ul { width: 716px; position: absolute; top: 260px; left: 50%; margin-left: -358px; } li { width: 160px; height: 100px; list-style: none; background: #fff; padding: 3px; border-top: 1px solid #ddd; border-right: 2px solid #ddd; border-bottom: 2px solid #ddd; border-left: 1px solid #ddd; float: left; margin-right: 10px; cursor: pointer; } img { float: left; } #topic { width: 270px; background: #fff; padding: 3px; border-top: 1px solid #ddd; border-right: 2px solid #ddd; border-bottom: 2px solid #ddd; border-left: 1px solid #ddd; position: absolute; top: 100px; left: 200px; } #topic .adorn { width: 7px; height: 11px; overflow: hidden; background: url(/upload/201011/20101103150729602.gif); position: absolute; bottom: 15px; left: -7px; } #topic .adorn_r { width: 7px; height: 11px; overflow: hidden; background: url(/upload/201011/20101103150729137.gif); position: absolute; bottom: 15px; right: -7px; } #topic .inner_html { padding: 10px; line-height: 20px; font-size: 12px; color: #666; text-indent: 24px; font-family: arial; } #topic .inner_html a { color: #990000; font-weight: bold; text-decoration: none; border-bottom: 1px dotted #990000; } #topic .inner_html a:hover { border-bottom: 2px solid #990000; } </style> <script type="text/javascript"> var g_aData= [ '石川(blue)为大家分享了以下内容：新浪微博效果、DOM、闭包使用技巧、面向对象、高级拖拽、运动特效、AJax、官网导航效果等^_^！', '课程内容特别精选了JavaScript的高级DOM操作、AJAX技术应用、OOP思想、继承等知识进行深度剖析，力图为学员揭秘各种网站交互效果，并帮助学员建立正确而清晰的编程思路……', '高级页面架构师精品课程是为了让大家制作出较为规范的页面，例如：符合 W3C 标准、标签语义化、模块化布局、能熟练解决浏览器兼容性、能洞晰 CSS 代码性能等问题的朋友们而设。通过这门课程，你可以充分了解到标准带来的好处、页面代码的简洁与 CSS 样式的高重用性……', '零基础网页制作精品课程站在完全不懂的学员角度考虑，在 课程安排、课后辅导 等几个方面着手，力求为学员带来一门系统化极强、讲解风格却通俗易懂的 精品入门课程，欢迎朋友们来试听，一探究竟！' ]; var g_oTimerHide=null; window.onload=function () { var aLi=document.getElementById('content').getElementsByTagName('li'); bindTopic(aLi); }; function bindTopic(aElement) { var i=0; for(i=0;i<aElement.length;i++) { aElement[i].miaovIndex=i; aElement[i].onmouseover=function (ev){showTopic(this.miaovIndex, window.event || ev);}; aElement[i].onmouseout=function (){hideTopic();}; aElement[i].onmousemove=function (ev) { var oEvent=window.event || ev; setPosition(oEvent.clientX, oEvent.clientY); }; } } function showTopic(index, oEvent) { var oTopic=document.getElementById('topic'); if(g_oTimerHide) { clearTimeout(g_oTimerHide); } oTopic.getElementsByTagName('div')[1].innerHTML=g_aData[index]; oTopic.style.display='block'; setPosition(oEvent.clientX, oEvent.clientY); } function hideTopic() { var oTopic=document.getElementById('topic'); if(g_oTimerHide) { clearTimeout(g_oTimerHide); } g_oTimerHide=setTimeout ( function () { oTopic.style.display='none'; },50 ); } function setPosition(x, y) { var top=document.body.scrollTop || document.documentElement.scrollTop; var left=document.body.scrollLeft || document.documentElement.scrollLeft; x+=left; y+=top; var oTopic=document.getElementById('topic'); var l=x+20; var t=y-(oTopic.offsetHeight-20); var bRight=true; var iPageRight=left+document.documentElement.clientWidth; if(l+oTopic.offsetWidth>iPageRight) { bRight=false; l=x-(oTopic.offsetWidth+20); oTopic.getElementsByTagName('div')[0].className='adorn_r'; } else { oTopic.getElementsByTagName('div')[0].className='adorn'; } oTopic.style.left=l+'px'; oTopic.style.top=t+'px'; } </script> </head> <body> <div id="explain">可以调整窗口大小，再把鼠标移到图片上查看……</div> <div id="topic" style="display: none; z-index:2"> <div class="adorn"></div> <div class="inner_html"></div> </div> <ul id="content"> <li><img src="/upload/201011/20101103150729107.jpg" alt="www.16sucai.com" longdesc="#" /></li> <li><img src="/upload/201011/20101103150729970.jpg" alt="www.16sucai.com" longdesc="#" /></li> <li><img src="/upload/201011/20101103150729632.jpg" alt="www.16sucai.com" longdesc="#" /></li> <li><img src="/upload/201011/20101103150729585.jpg" alt="www.16sucai.com" longdesc="#" /></li> </ul> </body> </html>

[Ctrl+A 全选注:引入外部Js需再刷新一下页面才能执行]

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js超漂亮的鼠标提示，带人性化缺口

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