日期:2014-05-18 浏览次数:20111 次
以下是程序代码<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <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" /> <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> </head> <body> <div class="xx"><h5 onclick="toggle(this.parentNode)">伸缩效果</h5> <p>内容</p> <p>内容</p> <p>内容</p> <p>内容</p> </div></font> <font face=Verdana> </body> </html></font> <a href="http://www.aiyiweb.com/HTML/jsrun/">欢迎访问爱易网WEB开发社区.网页脚本特效集</a> [Ctrl+A 全部选择 提示:你可先修改部分代码,再按运行]