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JS implements super simple QQ-like folding menu effect_javascript skills

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The example in this article describes how to implement a super simple QQ-like folding menu effect using JS. Share it with everyone for your reference. The details are as follows:

This is a simplified QQ-like folding menu code that has been posted before, but this is a version after several rounds of code streamlining, and the performance is also very good in various browsers, but the compatibility is not Something went wrong.

The screenshot of the running effect is as follows:

The online demo address is as follows:

http://demo.jb51.net/js/2015/js-simple-f-qq-zd-style-menu-codes/

The specific code is as follows:

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>SlideView 滑动展示效果</title>
</head>
<body>
<style type="text/css">
.sv3 dl, .sv3 dt, .sv3 dd{ padding:0; margin:0; }
.sv3 {
 width:240px;
 border:1px solid #BFC7D9;
}
.sv3 dl {
 width:240px;
 height:380px;
 background:#EDF5FF;
  overflow:hidden;
}
.sv3 dt {
 padding:5px 10px;
 height:13px;
 font-size:13px;
 color:#000;
 background:#E5ECF9;
 border-top:1px solid #fff;
 border-bottom:1px solid #BFC7D9;
}
.sv3 dl.on dt {
 background:#3366CC;
 color:#FFF;
 font-weight:bold;
}
.sv3 dd {
 padding:10px;
 color:#333;
 font-size:12px;
 line-height:1.5em;
}
.sv3 dd a:link,
.sv3 dd a:visited,
.sv3 dd a:hover,
.sv3 dd a:active { color:#333; display:block; text-align:right;}
</style>
<div id="idSlideView3" class="sv3">
 <dl>
  <dt>我的好友 </dt>
  <dd> 张三 </dd>
  <dd> 王五 </dd>
 </dl>
 <dl>
  <dt> 业务联系 </dt>
  <dd> 李经理 </dd>
 </dl>
 <dl>
  <dt> 家人 </dt>
  <dd> 爸爸 </dd>
  <dd> 妈妈 </dd>
 </dl>
 <dl>
  <dt> 同事 </dt>
  <dd> 小赵</dd>
 </dl>
 <dl>
  <dt> 讨厌的人 </dt>
  <dd> 梅朝风 </dd>
 </dl>
</div>
<script>
function SlideView(e,a){
 for(var i=0,o=document.getElementById(e).getElementsByTagName('DL'),d;d=o[i++];)(function(e,c,m,s,t,k,h){
  (s=e.style).height=(h=23)+"px";
  e.onmouseover=function (){ t=setTimeout(e.open,200); }
  e.onmouseout=function (){ clearTimeout(t);}
  e.open=function(){
   if (a==e)return;
   c(k); a&&a.close();
   (a=e).className="on";
   k=m(function(){ if(h>379)c(k); else s.height=(h=Math.min(h+30, 380))+"px"; }, 10);
  }
  e.close = function(){
   c(k); e.className="";
   k=m(function(){ if(h<24)c(k); else s.height = (h=Math.max(h-30, 23))+"px"; }, 10);
  }
 })(d,clearInterval,setInterval);
 o[0].open();
}
new SlideView( "idSlideView3");
</script>
</body>
</html>

I hope this article will be helpful to everyone’s JavaScript programming.

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