一個不錯的JS動態左側菜單[收藏]

最後更新：2018-12-06 來源：互聯網

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<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<style type="text/css">
body{margin:10px;padding:10px;}
body,h2,div,span,li{font-size:12px;}
.title01,.title02 {color:#fff;font-weight:bold;}
#DoorP{border:12px solid #eee;width:150px;padding:4px;background:#fff;}
h2{text-align:center;margin:0px;padding:0px;line-height:22px;}
.title01{width:100%;height:25px;background:#00ccff;cursor:pointer;}
.title02{width:100%;height:25px;background:#99cc00;cursor:pointer;}
.content{background:#eee;border-bottom:2px solid #fff;overflow:hidden;color:#666;padding-left:4px;padding-right:4px;line-height:18px;}
.content a:link,.content a:visited{color:#666666;text-decoration:none;}
.content a:hover{color:#FF6600;text-decoration:underline;}
</style>
<title></title>
</head>

<body>
<div id="DoorP">
<h2>第一層資訊</h2>
<div class="content">菜單一<br /></div>
<h2>第二層資訊</h2>
<div class="content"><a href="#">子功能表</a><br /><a href="#">子功能表</a><br /><a href="#">子功能表</a><br /><a href="#">子功能表</a><br /><a href="#">子功能表</a><br /><a href="#">子功能表</a><br /><a href="#">子功能表</a><br /><a href="#">子功能表</a><br /></div>
<h2>第三層資訊</h2>
<div class="content">菜單三<br />菜單三<br />菜單三<br />菜單三<br />菜單三<br />菜單三<br /></div>
<h2>第四層資訊</h2>
<div class="content">子功能表<br />子功能表<br />子功能表<br />子功能表<br />子功能表<br />子功能表<br />子功能表<br />子功能表<br /></div>
<h2>第五層資訊</h2>
<div class="content">子功能表<br />子功能表<br />子功能表<br />子功能表<br />子功能表<br />子功能表<br /></div>
<h2>第六層資訊</h2>
<div class="content">子功能表<br />子功能表<br />子功能表<br />子功能表<br />子功能表<br />子功能表<br />子功能表<br />子功能表<br />子功能表<br

/></div>
</div>
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var onum=0;// 設定初始開啟的層序號
var closeState=new Array();
var ch=new Array();
function $(id){if(document.getElementById(id)){return document.getElementById(id);}else{alert("沒有找到!")}}
function $tag(id,tagName){return $(id).getElementsByTagName(tagName)}
var Ds=$tag("DoorP","div");
var Ts=$tag("DoorP","h2");
if(Ds.length != Ts.length){alert("初始化失敗!");}
function showMe(Cid,Oid){var h=parseInt(Ds[Cid].style.height);var h2=parseInt(Ds[Oid].style.height);var dH=ch[Oid];if(h>0){h=h-Math.ceil(h/3);Ds

[Cid].style.height=h+"px";};if(h2<dH){h2=h2+Math.ceil((dH-h2)/3);Ds[Oid].style.height=h2+"px";};if(h<=0&&h2>=dH){clearTimeout(closeState[Cid]);return

false;};closeState[Cid] = setTimeout("showMe("+Cid+","+Oid+")");}
for(var i=0;i<Ds.length;i++){
ch[i]=Ds[i].offsetHeight;
if(i==onum){Ds[i].style.height=ch[i]+"px";Ts[i].className="title01";}else{Ds[i].style.height="0px";Ts[i].className="title02";}
Ts[i].value=i;
Ts[i].onclick=function(){if(onum==this.value){return false;};
   Ts[onum].className="title02";
   Ts[this.value].className="title01";
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}
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</body>
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本文章原先以中文撰寫並發佈於 aliyun.com，亦設英文版本，僅作資訊用途。本網站不對文章的準確性，完整性或可靠性或其任何翻譯作出任何明示或暗示的陳述或保證。如對該文章有任何疑慮或投訴，請傳送電郵至 info-contact@alibabacloud.com 並提供相關疑慮或投訴的詳細說明。職員會於 5 個工作天內與您聯絡，一經驗證之後，即會刪除該侵權內容。

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