本文实例讲述了JS+CSS实现另类带提示效果的竖向导航菜单。分享给大家供大家参考。具体如下：
这是一款JS+CSS打造另类带提示的竖向导航菜单，觉得挺不错，只是美工水平有限，有兴趣的朋友就请继续完善吧。
运行效果截图如下：
在线演示地址如下：
http://demo.jb51.net/js/2015/js-css-alert-txt-nav-menu-demo/
具体代码如下：
<html> <head> <title>带提示的竖向导航菜单</title> <style type="text/css"> #coolmenu{ border: 1px solid black; width: 160px; background-color: #E6E6E6; } #coolmenu a{ font: bold 13px Verdana; padding: 2px; padding-left: 4px; display: block; width: 100%; color: black; text-decoration: none; border-bottom: 1px solid black; } html>body #coolmenu a{ width: auto; } #coolmenu a:hover{ background-color: black; color: white; } #tabledescription{ width: 100%; height: 3em; padding: 2px; filter:alpha(opacity=0); -moz-opacity:0; } </style> <script type="text/javascript"> var baseopacity=0 function showtext(thetext){ if (!document.getElementById) return textcontainerobj=document.getElementById("tabledescription") browserdetect=textcontainerobj.filters" : typeof textcontainerobj.style.MozOpacity=="string"" instantset(baseopacity) document.getElementById("tabledescription").innerHTML=thetext highlighting=setInterval("gradualfade(textcontainerobj)",50) } function hidetext(){ cleartimer() instantset(baseopacity) } function instantset(degree){ if (browserdetect=="mozilla") textcontainerobj.style.MozOpacity=degree/100 else if (browserdetect=="ie") textcontainerobj.filters.alpha.opacity=degree else if (document.getElementById && baseopacity==0) document.getElementById("tabledescription").innerHTML="" } function cleartimer(){ if (window.highlighting) clearInterval(highlighting) } function gradualfade(cur2){ if (browserdetect=="mozilla" && cur2.style.MozOpacity<1) cur2.style.MozOpacity=Math.min(parseFloat(cur2.style.MozOpacity)+0.2, 0.99) else if (browserdetect=="ie" && cur2.filters.alpha.opacity<100) cur2.filters.alpha.opacity+=20 else if (window.highlighting) clearInterval(highlighting) } </script> </head> <body> <div id="coolmenu"> <a href="#" onMouseover="showtext('精品脚本代码下载!')" onMouseout="hidetext()">开始吧</a> <a href="#" onMouseover="showtext('常用特效收集与发布')" onMouseout="hidetext()">网页特效</a> <a href="#" onMouseover="showtext('网站地图索引')" onMouseout="hidetext()">资源分类</a> <a href="#" onMouseover="showtext('最新更新的资源')" onMouseout="hidetext()">最新更新</a> <a href="#" onMouseover="showtext('网站最热的下载')" onMouseout="hidetext()">下载排行</a> <div id="tabledescription"></div> </div> </body> </html>
希望本文所述对大家的JavaScript程序设计有所帮助。
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