JavaScript橫向滑出的多級菜單

2024-09-05 12:20:14

字體：大中小

來源：轉載

供稿：網友

JavaScript橫向滑出的多級菜單，只用鼠標放上就可以動畫出現二級菜單，整體設計精美，大氣，博客上也可以用哦。

<!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>JavaScript橫向滑出的多級菜單</title><style>* {padding:0; margin:0}body {font:12px Verdana, Arial, Helvetica}#wrapper {width:750px; padding:25px; margin:0 auto}#leftcolumn {float:left; width:225px}#rightcolumn {float:left; width:525px}.dropdown {display:block; position:relative}.dropdown dt {width:188px; border:2px solid #9ac1c9; padding:8px; font-weight:bold; cursor:pointer; background:url(/jscss/demoimg/200907/header.gif)}.dropdown .upperdd {border-bottom:none}.dropdown dt:hover {background:url(http:www.codefans.net/jscss/demoimg/200907/header_over.gif)}.dropdown dd {position:absolute; top:0; overflow:hidden; width:208px; display:none; background:#fff; opacity:0}.dropdown ul {width:204px; border:2px solid #9ac1c9; list-style: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;var OFFSET = -2;var ZINT = 100;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);    c.style.display = 'block';    if(c.maxh && c.maxh <= c.offsetHeight){return}    else if(!c.maxh){      c.style.left = (h.offsetWidth + OFFSET) + 'px';      c.style.height = 'auto';      c.maxh = c.offsetHeight;      c.style.height = '0px';    }    ZINT = ZINT + 1;    c.style.zIndex = ZINT;    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 > (c.maxh - 2) && d == 1){    clearInterval(c.timer);  }else if(dist < 1 && d != 1){    clearInterval(c.timer);    c.style.display = 'none';  }}</script></head><body><div   class="vstmhat"   id="wrapper"><div   class="iqygymm"   id="leftcolumn">  <dl class="dropdown">    <dt id="one-ddheader" class="upperdd" onmouseover="ddMenu('one',1)" onmouseout="ddMenu('one',-1)">我們首頁</dt>    <dd id="one-ddcontent" onmouseover="cancelHide('one')" onmouseout="ddMenu('one',-1)">      <ul>        <li>源碼主頁</li>        <li>網頁特效</li>        <li>源碼下載</li>      </ul>    </dd>  </dl>  <dl class="dropdown">    <dt id="two-ddheader" class="upperdd" onmouseover="ddMenu('two',1)" onmouseout="ddMenu('two',-1)">網站導航</dt>    <dd id="two-ddcontent" onmouseover="cancelHide('two')" onmouseout="ddMenu('two',-1)">      <ul>        <li>ASP</li>        <li>PHP</li>        <li>.NET</li>        <li>網站留言</li>      </ul>    </dd>  </dl>  <dl class="dropdown">    <dt id="three-ddheader" class="upperdd">最新下載</dt>  </dl>  <dl class="dropdown">    <dt id="four-ddheader" onmouseover="ddMenu('four',1)" onmouseout="ddMenu('four',-1)">歡迎回來</dt>    <dd id="four-ddcontent" onmouseover="cancelHide('four')" onmouseout="ddMenu('four',-1)">      <ul>        <li>歡迎再來</li>        <li>慢走，不送</li>      </ul>    </dd>  </dl></div></div></body></html>

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