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JS實現(xiàn)仿雅虎首頁快捷登錄入口及導航模塊效果

 更新時間：2015年09月19日 09:27:56   作者：企鵝  
這篇文章主要介紹了JS實現(xiàn)仿雅虎首頁快捷登錄入口及導航模塊效果,涉及JavaScript響應鼠標事件遍歷頁面元素的實現(xiàn)技巧,具有一定參考借鑒價值,需要的朋友可以參考下

本文實例講述了JS實現(xiàn)仿雅虎首頁快捷登錄入口及導航模塊效果。分享給大家供大家參考。具體如下：

這是一款JS實現(xiàn)仿雅虎首頁網(wǎng)站快捷入口導航模塊的代碼，里面有用戶登錄框，這個大家或許會用上吧，放到你網(wǎng)站著頁作為用戶登錄也挺行。

運行效果截圖如下：

在線演示地址如下：

http://demo.jb51.net/js/2015/js-f-yahoo-index-login-style-codes/

具體代碼如下：

<!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>仿雅虎首頁網(wǎng)站快捷入口和快</title>
<style>
*{ margin:0; padding:0; border:none;}
body{font:12px/130% verdana,geneva,arial,helvetica,sans-serif; height:100%;}li{list-style:none;}
html{ height:100%;}
.clearfix:after{content:" ";display:block;height:0;clear:both;visibility:hidden;}.clearfix{display:inline-block;}
a:link{ color:#000; text-decoration:none; }
a:visited{ color:#000; text-decoration:none; }
a:hover{ color:#000; text-decoration:none; }
.rrow{width:224px;}
.login{ background:url(images/box.png); height:210px;width:224px; overflow:hidden;}
.login h2{ color:#fff; font-size:14px; padding:4px 12px; line-height: 30px;height:24px; overflow:hidden; }
.login h2 span{ font-size:12px; float:right;margin:-31px 23px 0 0;line-height: 32px;font-weight:400; cursor:pointer;}
.rrow ul{ margin:5px 6px; }
.rrow ul li {width:216px; height:31px;margin-bottom: 5px; overflow:hidden; float:left;}
.rrow ul li a,.rrow ul li span{ cursor:pointer; display:block; float:left; margin-right: 4px; background:url(images/title.gif) 0 -152px; width:69px;padding-left:35px; height:31px; overflow:hidden; line-height: 32px; font-weight:700;}
.rrow ul li .lhover{ display:block; float:left; margin-right: 4px; background:url(images/title.gif) 0 -183px; width:69px;padding-left:35px; height:37px; overflow:hidden; line-height: 32px; font-weight:700;}
.rrow ul li .yhzc{ background:url(images/title.gif) 0 -152px;}
#yhzc{background:url(images/title.gif) 0 -183px;height:37px;}
.rrow ul li .hysj{ background:url(images/title.gif) -104px -152px; }
#hysj{ background:url(images/title.gif) -104px -183px;height:37px;}
.rrow ul li .fbxx{ background:url(images/title.gif) 0 -220px; }
#fbxx{ background:url(images/title.gif) 0 -251px;height:37px;}
.rrow ul li .gstg{ background:url(images/title.gif) -104px -220px; }
#gstg{ background:url(images/title.gif) -104px -251px;height:37px;}
.rrow ul li .xzmj{ background:url(images/title.gif) 0 -288px; }
#xzmj{ background:url(images/title.gif) 0 -319px;height:37px;}
.rrow ul li .bzzx{ background:url(images/title.gif) -104px -288px; }
#bzzx{ background:url(images/title.gif) -104px -319px;height:37px;}
.rrow ul .hoverli{background:url(images/title.gif) 0 -357px;height:92px; overflow:hidden; line-height: 32px; font-weight:700;}
.qlogin{height:92px; width:210px; line-height: 32px; margin:5px 0 0 10px; display:none;}
.qlogin dt{ height:0; overflow:hidden; }
.qlogin dd{ padding:4px; width:210px; height:22px; text-align:left; float:left;clear:both;overflow:hidden;}
.qlogin dd .passw,.qlogin a:hover.passw{ margin: -4px 12px 0 0; float:right;}
.rrow ul li div{ margin-top: 5px; width:210px; display:none;}
.rrow ul li div a,.rrow ul li div a:hover{background:url(images/title.gif) -80px -1px; height:20px; line-height: 20px; clear:both; font-weight: 400; width:170px;}
.rrow ul li div a:hover{ text-decoration:underline; }
.rrow ul li .block,.rrow .block{ display:block; }
.rrow ul .none{ display:none; }
.btn{font-size:12px; font-family:宋體; float:left; width:57px; height:20px; overflow:hidden; background:url(images/title.gif); line-height: 21px;padding-left:18px;margin-right: 10px; }
a:hover.btn{background:url(images/title.gif) 0 -20px;}
#btn4{background:url(images/title.gif);width:75px; margin-left: 48px; cursor:pointer;}
.input2{font-size:12px; border:1px solid #999; width:140px; height:16px; padding:1px 2px 0 2px; }
</style>
</head>
<body>
<table width="18%" height="420" border="0" align="center" cellpadding="0" cellspacing="0">
 <tr>
 <td><div class="rrow">
  <div id="login" class="login">
  <h2>便捷入口<span><a class="w" title="快速登陸">快速登陸</a></span></h2>
  <dl class="qlogin clearfix">
   <dt>快速登陸</dt>
   <dd>用戶名：
    <input name="text" type="text" class="input2" />
   </dd>
   <dd>密&nbsp;&nbsp;&nbsp;碼：
    <input name="password" type="password" class="input2" />
   </dd>
   <dd>
   <input name="submit" type="submit" class="btn" id="btn4" value="立即登陸" />
   <a class="passw" href="#" target="_blank">忘記密碼？</a></dd>
  </dl>
  <ul>
   <li id="btype1" class="hoverli"><span class="yhzc" id="yhzc" href="#" target="_blank" title="用戶注冊">用戶注冊</span><span class="hysj" href="#" target="_blank" title="會員升級">會員升級</span>
    <div class="block"><a href="#" target="_blank">1...</a><a href="#" target="_blank">1...</a></div>
   <div><a href="#" target="_blank">2...</a><a href="#" target="_blank">2...</a></div>
   </li>
   <li id="btype2"><span class="fbxx" href="#" target="_blank" title="發(fā)布信息">發(fā)布信息</span><span class="gstg" href="#" target="_blank" title="公司推廣">公司推廣</span>
    <div><a href="#" target="_blank">3...</a><a href="#" target="_blank">3...</a></div>
   <div><a href="#" target="_blank">4...</a><a href="#" target="_blank">4...</a></div>
   </li>
   <li id="btype3"><span class="xzmj" href="#" target="_blank" title="尋找買家">尋找買家</span><span class="bzzx" href="#" target="_blank" title="幫助中心">幫助中心</span>
    <div><a href="#" target="_blank">5...</a><a href="#" target="_blank">5...</a></div>
   <div><a href="#" target="_blank">6...</a><a href="#" target="_blank">6...</a></div>
   </li>
  </ul>
  </div>
  <script type=text/javascript>
   var login = document.getElementById("login");
var yhzc = document.getElementById("yhzc");
var h2 = login.getElementsByTagName("h2");
var dl = login.getElementsByTagName("dl");
var ul = login.getElementsByTagName("ul");
var lis = ul[0].getElementsByTagName("li");
var allspan = ul[0].getElementsByTagName("span");
var qlog = h2[0].getElementsByTagName("a");
var divs = login.getElementsByTagName("div");
qlog[0].onclick = function()
{
for(var i = 0; i < divs.length; i++)
{divs[i].className = null;}
for(var i = 0; i < allspan.length; i++)
{allspan[i].id = null;}
lis[0].className = "none";
dl[0].className = "qlogin block";
}
for(var x = 1; x < 4; x++)
{show();}
function show()
{
var test = "btype" +x;
var btype = document.getElementById("btype" + x);
var as = btype.getElementsByTagName("a");
var bdivs = btype.getElementsByTagName("div");
var spans = btype.getElementsByTagName("span");
for(var i = 0; i < spans.length; i++)
{
spans[i].num = i;
spans[i].onmouseover = type;
}
function type()
{
for(var i = 0; i < lis.length; i++)
{lis[i].className = null;}
for(var i = 0; i < allspan.length; i++)
{allspan[i].id = null;}
for(var i = 0; i < divs.length; i++)
{divs[i].className = null;}
dl[0].className = "qlogin";
yhzc.id = null;
spans[this.num].id = spans[this.num].className;
bdivs[this.num].className = "block";
btype.className = "hoverli";
}
}
   </script>
 </div>  
 </td>
 </tr>
</table>
</body>
</html>

希望本文所述對大家的JavaScript程序設計有所幫助。

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