Dom编程(有子菜单的导航条 和 选项卡)

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选项卡:

<!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=UTF-8" /><title>tab</title><style type="text/css">*{margin:0;padding:0;}#tab{width:312px;margin:100px auto;}#tab ul{list-style:none;}#tabControl{border-top:solid 2px #206f96;width:310px;display:table;}#tabControl span{display:table-cell;text-align:center;font:14px/30px "宋体";height:29px;line-height:29px;}.info{color:#666;font-size:14px;line-height:30px;}#s1{border-left:1px solid #CFCFCF;border-right:1px solid #CFCFCF;}#s2{background-image:url(1.jpg);background-repeat:repeat-x;border-right:1px solid #CFCFCF;border-bottom:1px solid #CFCFCF;}#s3{background-image:url(1.jpg);background-repeat:repeat-x;border-right:1px solid #CFCFCF;border-bottom:1px solid #CFCFCF;}#info2{display:none;}#info3{display:none;}</style><script type="text/javascript">function listXinWen(){document.getElementById("s1").style.background = "none";document.getElementById("s1").style.borderBottom = "none";document.getElementById("s2").style.background = "url(1.jpg) repeat-x";document.getElementById("s2").style.borderBottom = "1px solid #CFCFCF";document.getElementById("s3").style.background = "url(1.jpg) repeat-x";document.getElementById("s3").style.borderBottom = "1px solid #CFCFCF";document.getElementById("info1").style.display = "block";document.getElementById("info2").style.display = "none";document.getElementById("info3").style.display = "none";}function listTuPian(){document.getElementById("s2").style.background = "none";document.getElementById("s2").style.borderBottom = "none";document.getElementById("s1").style.background = "url(1.jpg) repeat-x";document.getElementById("s1").style.borderBottom = "1px solid #CFCFCF";document.getElementById("s3").style.background = "url(1.jpg) repeat-x";document.getElementById("s3").style.borderBottom = "1px solid #CFCFCF";document.getElementById("info2").style.display = "block";document.getElementById("info1").style.display = "none";document.getElementById("info3").style.display = "none";}function listJunShi(){document.getElementById("s3").style.background = "none";document.getElementById("s3").style.borderBottom = "none";document.getElementById("s2").style.background = "url(1.jpg) repeat-x";document.getElementById("s2").style.borderBottom = "1px solid #CFCFCF";document.getElementById("s1").style.background = "url(1.jpg) repeat-x";document.getElementById("s1").style.borderBottom = "1px solid #CFCFCF";document.getElementById("info3").style.display = "block";document.getElementById("info2").style.display = "none";document.getElementById("info1").style.display = "none";}</script></head><body><div id="tab"><div id="tabControl"><span id="s1" onmouseover="listXinWen()">新闻</span><span id="s2" onmouseover="listTuPian()">图片</span><span id="s3" onmouseover="listJunShi()">军事</span></div><div id="info1" class="info"><ul><li>新闻新闻新闻新闻新闻新闻新闻新闻</li><li>新闻新闻新闻新闻新闻新闻新闻新闻</li><li>新闻新闻新闻新闻新闻新闻新闻新闻</li><li>新闻新闻新闻新闻新闻新闻新闻新闻</li><li>新闻新闻新闻新闻新闻新闻新闻新闻</li><li>新闻新闻新闻新闻新闻新闻新闻新闻</li><li>新闻新闻新闻新闻新闻新闻新闻新闻</li><li>新闻新闻新闻新闻新闻新闻新闻新闻</li><li>新闻新闻新闻新闻新闻新闻新闻新闻</li></ul></div><div id="info2" class="info"><ul><li>图片图片图片图片图片图片图片图片</li><li>图片图片图片图片图片图片图片图片</li><li>图片图片图片图片图片图片图片图片</li><li>图片图片图片图片图片图片图片图片</li><li>图片图片图片图片图片图片图片图片</li><li>图片图片图片图片图片图片图片图片</li><li>图片图片图片图片图片图片图片图片</li><li>图片图片图片图片图片图片图片图片</li><li>图片图片图片图片图片图片图片图片</li></ul></div><div id="info3" class="info"><ul><li>军事军事军事军事军事军事军事军事</li><li>军事军事军事军事军事军事军事军事</li><li>军事军事军事军事军事军事军事军事</li><li>军事军事军事军事军事军事军事军事</li><li>军事军事军事军事军事军事军事军事</li><li>军事军事军事军事军事军事军事军事</li><li>军事军事军事军事军事军事军事军事</li><li>军事军事军事军事军事军事军事军事</li><li>军事军事军事军事军事军事军事军事</li></ul></div></div></body></html>

效果:




有子菜单的导航:

<!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=UTF-8" /><title>navbar</title><script type="text/javascript">function xianshi1(){document.getElementById("cd1").style.display = "block";}function yincang1(){document.getElementById("cd1").style.display = "none";}function xianshi2(){document.getElementById("cd2").style.display = "block";}function yincang2(){document.getElementById("cd2").style.display = "none";}</script><style type="text/css">*{margin:0;padding:0;}#caidan{width:800px;margin:50px auto 5px;background-color:#CCC;height:35px;}#caidan ul{list-style:none;}#caidan ul li.mu{width:100px;margin-right:10px;background-color:#FC0;float:left;height:35px;text-align:center;line-height:35px;position:relative;}#cd1{width:150px;position:absolute;padding-top:5px;display:none;}#cd1 ul{list-style:none;}.zi{background-color:#3C0;}#cd2{width:120px;position:absolute;padding-top:5px;display:none;}#cd2 ul{list-style:none;}#content{width:800px;background:#FFC;margin:0 auto;}</style></head><body><div id="caidan"><ul>    <li class="mu" onmouseover="xianshi1()" onmouseout="yincang1()">        <a href="#">菜单项目</a>        <div id="cd1">        <div class="zi">            <ul>            <li><a href="#">子菜单项目</a></li>            <li><a href="#">子菜单项目</a></li>            <li><a href="#">子菜单项目</a></li>            <li><a href="#">子菜单项目</a></li>            <li><a href="#">子菜单项目</a></li>            </ul>           </div>        </div>    </li>    <li class="mu" onmouseover="xianshi2()" onmouseout="yincang2()">        <a href="#">菜单项目</a>        <div id="cd2">        <div class="zi">            <ul>            <li><a href="#">子菜单项目</a></li>            <li><a href="#">子菜单项目</a></li>            <li><a href="#">子菜单项目</a></li>            <li><a href="#">子菜单项目</a></li>            <li><a href="#">子菜单项目</a></li>            <li><a href="#">子菜单项目</a></li>            <li><a href="#">子菜单项目</a></li>            </ul>           </div>        </div>    </li>    <li class="mu"><a href="#">菜单项目</a></li>    <li class="mu"><a href="#">菜单项目</a></li>    <li class="mu"><a href="#">菜单项目</a></li></ul></div><div id="content">爱我中华爱我中华爱我中华爱我中华爱我中华爱我中华</div></body></html>

效果:




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