<!DOCTYPE> <html> <head> <meta charset="utf-8"> <title>下拉列表</title> <style type="text/css"> body,ul,li{ margin:0; padding:0; font-size:13px;} ul,li{list-style:none;} #divselect{ position:relative; width:200px; color:#a19595; margin:0px auto; z-index:10000; } #divselect cite { width:180px; height:30px; line-height:30px; color:#a19595; cursor:pointer; display:block; border:1px solid black; padding-left:2px; padding-bottom:5px; } #divselect ul{position:absolute; z-index:20000; width:182px;line-height:30px; margin-top:-1px; background-color:#fff; border:1px solid #333333; display:none; } #divselect ul li{height:20px;line-height:20px;} a{text-decoration:none;diaplay:block; height:24px; color:#333333; padding-right:5px; padding-left:5px; } </style> <script type="text/javascript" > window.onload=function(){ var box=document.getElementById('divselect'), title=box.getElementsByTagName('cite')[0], menu=box.getElementsByTagName('ul')[0], as=box.getElementsByTagName('a'), index=-1; // 点击三角时 title.onclick=function(event){ event=event||window.event; if(event.stopProgation){event.stopProgation();} else{event.cancelBubble=true;} // 执行脚本 //jp menu.style.display="block"; //键盘事件未能成功调用// document.onkeyup=function(event){ event=event||window.event; if(event.keyCode==13){ for(var i=0;i<as.length;i++){ as[i].style.background="#fff"; } title.innerHTML=as[index].innerHTML; menu.style.display="none"; } if(evnet.keyCode==40){ index++; if(index>=as.length){index=0;} for(var i=0;i<as.length;i++){ as[i].style.background="#ccc"; } as[index].style.background="#fff"; } else if(event.keyCode==38){ index--; if(index<0) index=as.length-1; for(var i=0;i<as.length;i++){ as[i].style.background="#fff"; } as[index].style.background="#ccc"; } } } //mouse for(var i=0;i<as.length;i++){ as[i].num=i; as[i].onmousemove=function(){ this.style.background="#fff"; index=as[i].num-1; } as[i].onmouseout=function(){ this.style.background="#9a9a9a"; } as[i].onclick=function(event){ event=event||window.event; if(event.stopProgation){event.stopProgation();} else{event.cancelBubble=true;} menu.style.display="none"; title.innerHTML=this.innerHTML; } } document.onclick=function(){ menu.style.display="none"; } //点击空白处 } </script> </head> <body> <div id="divselect"> <cite>请选择分类</cite> <ul> <li id="li"> <a href="javascript:;" selectid="1">ASP开发</a></li> <li><a href="javascript:;" selectid="2">.NET开发</a></li> <li><a href="javascript:;" selectid="3">PHP开发</a></li> <li><a href="javascript:;" selectid="4">Javascript开发</a></li> <li><a href="javascript:;" selectid="5">Java特效</a></li> </ul> </div> </body> </html>
鼠标--代码错误:event.stopPropagation