<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>可以折叠的菜单工具栏</title> <style> html,body{ margin:0; } body{ url(img.jpg) repeat-x; } ha{ margin:0 auto; } img{ border:none; } #fx_topToolbar{ position:relative;top:-76px;left:0; margin:0 auto;height:92px; background:#0C3E74; width:700px; text-align:center; } #fx_topToolbar .shell{ margin:0 auto;padding:13px 0; } #btn_offOn{ position:absolute;bottom:-8px; left:20px;height:24px; width:150px; background:url(img34.gif) no-repeat; } #btn_offOn a{ display:block;zoom:1;height:24px; position:relative;right:-16px; background:url(tip.gif) no-repeat 100% 0; } </style> <script> (JS={ $:function(o){return typeof o=="string"?document.getElementById(o):o}, on:function(o,type,fn){ o.attachEvent?o.attachEvent('on'+type,function(){fn.call(o)}):o.addEventListener(type,fn,false); return JS.on}, move:function(who,attr,val,s,fn){ var fm=parseInt(who.style[attr])||0; clearInterval(who['timer_'+attr]); var iFx=(function(form,to,s){ return function (){ return form+=Math[form<to?'ceil':'floor']((to-form)*(s||0.3))}; })(fm,val,s); who['timer_'+attr]=setInterval(function (){ var v=iFx(); who.style[attr]=v+'px'; if(v==val){ fn&&fn.call(who);clearInterval(who['timer_'+attr]);}; },18); } }).on(window,'load',function (){ var Q=JS.$('fx_topToolbar');Q.style.top='-74px'; JS.on(JS.$('btn_offOn'),'mouseover',function(){JS.move(Q,'top',0)}) (Q,'mouseout',function (){Q.outTimer=setTimeout(function(){JS.move(Q,'top',-74)},10)}) (Q,'mouseover',function (){clearTimeout(this.outTimer)}); }) </script> </head> <body> <div> <div> <a href="#" title=""> <img src="https://www.jb51.net/article/1.gif" alt="" /> </a> <a href="#" title=""> <img src="https://www.jb51.net/article/2.gif" alt="" /> </a> </div> <div><a href="#" title=""></a></div> </div> </body> </html>
js实现顶部可折叠的菜单工具栏效果实例
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