yahoo首页伸缩效果代码_导航菜单

<title>runcode</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <meta name="Author" content="Sheneyan"> <script type="text/javascript"> 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> <div class="xx"> <h5 onclick="toggle(this.parentNode)">点击我看"伸缩效果"</h5> <p><a href="http://www.jb51.net/">脚本之家</a>＞</p> <br> <p><a href="http://www.xiaoshuo8.net/">爱在小说吧</a></p> <br> <p><a href="http://bbs.jb51.net/">脚本交流社区</a></p> <br> </div>
[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]