大气清新的滑动菜单(CSS+JS)

2024-09-05 12:20:14

字体：大中小

来源：转载

供稿：网友

一款比较大气清新的滑动导航菜单，CSS和JavaScript配合完成，鼠标放到一级菜单上，会滑出二级的菜单，兼容性也不错，适合大多数网站使用，用到两张背景图片，请拷贝图片地址下载图片。

<!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><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><title>滑动导航菜单</title><style>body {margin:25px; font:12px Verdana, Arial, Helvetica}* {padding:0; margin:0}.dropdown {float:left; padding-right:5px}.dropdown dt {width:188px; border:2px solid #9ac1c9; padding:8px; font-weight:bold; cursor:pointer; background:url(http://www.codefans.net/jscss/demoimg/200907/header.gif)}.dropdown dt:hover {background:url(/jscss/demoimg/200907/header_over.gif)}.dropdown dd {position:absolute; overflow:hidden; width:208px; display:none; background:#fff; z-index:200; opacity:0}.dropdown ul {width:204px; border:2px solid #9ac1c9; list-style:none; border-top:none}.dropdown li {display:inline}.dropdown a, .dropdown a:active, .dropdown a:visited {display:block; padding:5px; color:#333; text-decoration:none; background:#eaf0f2; width:194px}.dropdown a:hover {background:#d9e1e4; color:#000}.dropdown .underline {border-bottom:1px solid #b9d6dc}</style><script type="text/javascript">var DDSPEED = 10;var DDTIMER = 15;function ddMenu(id,d){  var h = document.getElementById(id + '-ddheader');  var c = document.getElementById(id + '-ddcontent');  clearInterval(c.timer);  if(d == 1){    clearTimeout(h.timer);    if(c.maxh && c.maxh <= c.offsetHeight){return}    else if(!c.maxh){      c.style.display = 'block';      c.style.height = 'auto';      c.maxh = c.offsetHeight;      c.style.height = '0px';    }    c.timer = setInterval(function(){ddSlide(c,1)},DDTIMER);  }else{    h.timer = setTimeout(function(){ddCollapse(c)},50);  }}function ddCollapse(c){  c.timer = setInterval(function(){ddSlide(c,-1)},DDTIMER);}function cancelHide(id){  var h = document.getElementById(id + '-ddheader');  var c = document.getElementById(id + '-ddcontent');  clearTimeout(h.timer);  clearInterval(c.timer);  if(c.offsetHeight < c.maxh){    c.timer = setInterval(function(){ddSlide(c,1)},DDTIMER);  }}function ddSlide(c,d){  var currh = c.offsetHeight;  var dist;  if(d == 1){    dist = (Math.round((c.maxh - currh) / DDSPEED));  }else{    dist = (Math.round(currh / DDSPEED));  }  if(dist <= 1 && d == 1){    dist = 1;  }  c.style.height = currh + (dist * d) + 'px';  c.style.opacity = currh / c.maxh;  c.style.filter = 'alpha(opacity=' + (currh * 100 / c.maxh) + ')';  if((currh < 2 && d != 1) || (currh > (c.maxh - 2) && d == 1)){    clearInterval(c.timer);  }}</script></head><body><dl class="dropdown">  <dt id="one-ddheader" onmouseover="ddMenu('one',1)" onmouseout="ddMenu('one',-1)">源码下载</dt>  <dd id="one-ddcontent" onmouseover="cancelHide('one')" onmouseout="ddMenu('one',-1)">    <ul>      <li>最新源码</li>      <li>下载排行</li>      <li>脚本资源</li>      <li>Ajax实例</li>    </ul>  </dd></dl><dl class="dropdown">  <dt id="two-ddheader" onmouseover="ddMenu('two',1)" onmouseout="ddMenu('two',-1)">网页特效</dt>  <dd id="two-ddcontent" onmouseover="cancelHide('two')" onmouseout="ddMenu('two',-1)">    <ul>      <li>菜单导航</li>      <li>层和布局</li>      <li>图片特效</li>    </ul>  </dd></dl></body></html>

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