这是一款超简约设计的滑动门菜单，鼠标放到主菜单上，里面的内容会跟着变化，实际上本演示是一个范例，从代码中的注释你就能感觉到，每一步都有注释，对学习JavaScript和CSS都有帮助，也为你以后写出比这更漂亮、更实用的滑动门做铺垫。
运行效果截图如下：
在线演示地址如下：
具体代码如下：
<!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>滑动门测试</title> <style> #tab_container1{width:310px;text-align:left;border:1px solid #cccccc;background:url() repeat-x top;} .cls_tab_nav{height:24px;overflow:hidden;font-size:12px;background:url() repeat-x bottom; padding-left:10px;} .cls_tab_nav ul{font-size:9pt;margin:0;padding:0;} .cls_tab_nav_li{background:url() no-repeat -70px 0;width:70px;height:24px;line-height:24px;float:left;display:inline;overflow:hidden;text-align:center;cursor:pointer;} .cls_tab_nav_li_first{font-weight:bolder;background-position:0px 0px;} .cls_tab_nav_li a{text-decoration:none;color:#000000;font-size:12px;} .cls_tab_body{border-top:none;min-height:175px;padding:10px;height:175px;} .cls_div{display:none;font-size:14px;} .cls_tab_nav_li_first a{color:#c80000;} </style> </head> <body> <div > <div> <ul> <li><a href="#">百货大楼</a></li> <li><a href="#">八方购物</a></li> <li><a href="#">商场三</a></li> </ul> </div> <div> <div> 百货大楼 </div> <div>八方购物</div> <div>商场三</div> </div> </div> </body> </html> <script type="text/javascript"> try{ document.execCommand("BackgroundImageCache", false, true); }catch(e){} function $(element){ if(arguments.length>1){ for(var i=0,elements=[],length=arguments.length;i<length;i++) elements.push($(arguments[i])); return elements; } if(typeof element=="string") return document.getElementById(element); else return element; } var Class={ create:function(){ return function(){ this.initialize.apply(this,arguments); } } } Object.extend=function(destination,source){ for(var property in source){ destination[property]=source[property]; } return destination; } var tabMenu=Class.create(); tabMenu.prototype={ initialize:function(container,selfOpt,otherOpt){ this.container=$(container); var selfOptions=Object.extend({fontWeight:"bold",fontSize:"12px",color:"#FFBC44"},selfOpt||{}); var otherOptions=Object.extend({fontWeight:"normal",fontSize:"12px",color:"#666"},otherOpt||{}); //用for循环得到objs数组,主要是为了兼容非IE浏览器把空白也当作子对象 for(var i=0,length=this.container.childNodes.length,objs=[];i<length;i++){ if(this.container.childNodes[i].nodeType==1) objs.push(this.container.childNodes[i]); } var tabArray=objs[0].getElementsByTagName("li"); //用for循环得到divArray数组,主要是为了兼容非IE浏览器把空白也当作子对象 var divArray=new Array(); for(i=0,length=objs[1].childNodes.length;i<length;i++){ if(objs[1].childNodes[i].nodeType==1) divArray.push(objs[1].childNodes[i]); } for(i=0,length=tabArray.length;i<length;i++){ tabArray[i].length=length; tabArray[i].index=i; tabArray[i].onmouseover=function(){ //其它选项卡样式设置 for(var j=0;j<this.length;j++){ tabArray[j].style.backgroundPosition="-"+tabArray[j].offsetWidth+"px 0"; for(var property in selfOptions){ tabArray[j].firstChild.style[property]=otherOptions[property]; } } //当前选项卡样式 this.style.backgroundPosition="0 0"; for(var property in selfOptions){ this.firstChild.style[property]=selfOptions[property]; } //隐藏其它选项卡 for(j=0;j<this.length;j++){ divArray[j].style.display="none"; } //显示当前选项卡 divArray[this.index].style["display"]="block"; } } } } var tab1=new tabMenu("tab_container1",{fontSize:"12px",color:"#c80000",fontWeight:"bolder"},{fontWeight:"normal",color:"#000000"}); </script>