yahoo首页伸缩效果代码_导航菜单

来源：曼谷因美食网

<html xmlns="http://www.w3.org/1999/xhtml"> 
<head> 
<title>runcode</title> 
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 
<meta name="Author" content="Sheneyan" /> 
 
var mh = 30;//最小高度 
var step = 1;//每次变化的px量 
var ms = 10;//每隔多久循环一次 
function toggle(o){ 
 if (!o.tid)o.tid = "_" + Math.random() * 100; 
 if (!window.toggler)window.toggler = {}; 
 if (!window.toggler[o.tid]){ 
 window.toggler[o.tid]={ 
 obj:o, 
 maxHeight:o.offsetHeight, 
 minHeight:mh, 
 timer:null, 
 action:1 
 }; 
 } 
 o.style.height = o.offsetHeight + "px"; 
 if (window.toggler[o.tid].timer)clearTimeout(window.toggler[o.tid].timer); 
 window.toggler[o.tid].action *= -1; 
 window.toggler[o.tid].timer = setTimeout("anim('"+o.tid+"')",ms ); 
} 
function anim(id){ 
 var t = window.toggler[id]; 
 var o = window.toggler[id].obj; 
 if (t.action < 0){ 
 if (o.offsetHeight <= t.minHeight){ 
 clearTimeout(t.timer); 
 return; 
 } 
 } 
 else{ 
 if (o.offsetHeight >= t.maxHeight){ 
 clearTimeout(t.timer); 
 return; 
 } 
 } 
 o.style.height = (parseInt(o.style.height, 10) + t.action * step) + "px"; 
 window.toggler[id].timer = setTimeout("anim('"+id+"')",ms ); 
} 
</ script> 
<style type="text/css"> 
div.xx{border:solid 1px;overflow:hidden;} 
div.xx h5{border:solid 1px;border-width:0 0 1px;padding:0;margin:0;height:30px;line-height:30px;cursor:pointer;background:#eee;} 
</style> 
</head> 
<body> 
<h5 onclick="toggle(this.parentNode)">点击我看"伸缩效果"</h5> 
<p>脚本之家 <br>
<p>爱在小说吧</p><br> 
<p>脚本交流社区</p> <br>
 
</body> 
</html>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

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yahoo首页伸缩效果代码_导航菜单