本文实例讲述了js实现YouKu的漂亮搜索框效果。分享给大家供大家参考。具体如下：
运行效果如下图所示：
在线演示地址如下：
http://demo.jb51.net/js/2015/js-youku-search-style-codes/
具体代码如下：
<!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"> <HTML> <HEAD> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <TITLE>搜索条</TITLE> <style> /*basic*/ *{padding:0;margin:0;color:#000;font:12px/20px Arial,Sans-serif,"宋体";} /*elements*/ .clear{clear:both;height:0px;overflow:hidden;} ul,li,ol{list-style-type:none;list-style-position:outside;} button,.btnNormal{height:22px;line-height:18px;padding:0 9px!important;padding:0 5px;} a{color:#0042ff;text-decoration:underline;} a,a *{cursor:pointer;} a img{border:0;} .searchTool{float:left;width:520px;} .searchTool .searchExtend{float:left;line-height:24px;_padding-top:5px;} .searchTool .radio{vertical-align:middle;margin-left:10px;margin-right:2px;*margin-right:0;} .searchTool .txtSearch{float:left;width:232px;padding:2px 2px 0 2px;height:20px;line-height:20px;vertical-align:bottom;border:1px solid #3e99d4;} .searchTool .selSearch{float:left;width:60px;background:#fff;height:22px;line-height:22px;border:1px solid #3e99d4;border-left:0;} .searchTool .nowSearch{float:left;width:40px;height:20px;line-height:22px;overflow:hidden;padding-left:4px;} .searchTool .btnSel{float:right;border-left:1px solid #3e99d4;width:14px;height:22px;} .searchTool .btnSel a{background:url(images/btn_sel.gif) no-repeat center center;display:block;width:14px;height:22px;} .searchTool .btnSel a:hover{background:url(images/btn_sel_over.gif) no-repeat center center;border:1px solid #fff;width:12px;height:20px;} .searchTool .selOption{z-index:9999;position:absolute;margin-left:-1px;width:60px;background:#fff;border:1px solid #3e99d4;} .searchTool .selOption a{display:block;height:21px;padding-left:5px;line-height:21px;color:#000;text-decoration:none;} .searchTool .selOption a:hover{color:#fff;background:#95d5f1;} .searchTool .btnSearch{float:left;margin-left:10px;width:58px;height:22px;line-height:22px;border:1px solid #3e99d4;overflow:hidden;} .searchTool .btnSearch a{background:url(images/bg_nav_option.gif) repeat-x center -6px;display:block;text-decoration:none;height:22px;line-height:22px;overflow:hidden;} .searchTool .btnSearch a:hover{background:url(images/bg_nav_option_over.gif) repeat-x center center;border:1px solid #fff;height:20px;line-height:20px;} .searchTool .btnSearch .lbl{cursor:pointer;display:block;width:40px;padding-left:5px;letter-spacing:5px;text-align:center;height:18px;padding-top:1px;margin:0 auto;filter:progid:DXImageTransform.Microsoft.DropShadow(color=#daeefa,offX=1,offY=1,positives=true);} .searchTool .btnSearch a:hover .lbl{padding-top:0px;} </style> <script> function drop_mouseover(pos){ try{window.clearTimeout(timer);}catch(e){} } function drop_mouseout(pos){ var posSel=document.getElementById(pos+"Sel").style.display; if(posSel=="block"){ timer = setTimeout("drop_hide('"+pos+"')", 1000); } } function drop_hide(pos){ document.getElementById(pos+"Sel").style.display="none"; } function search_show(pos,searchType,href){ document.getElementById(pos+"SearchType").value=searchType; document.getElementById(pos+"Sel").style.display="none"; document.getElementById(pos+"Slected").innerHTML=href.innerHTML; document.getElementById(pos+'q').focus(); var sE = document.getElementById("searchExtend"); if(sE != undefined && searchType == "bar"){ sE.style.display="block"; }else if(sE != undefined){ sE.style.display="none"; } try{window.clearTimeout(timer);}catch(e){} return false; } </script> </HEAD> <BODY> <div> <form method="get" action="http://so.youku.com/search_playlist" name="headSearchForm" id="headSearchForm" onsubmit="return dosearch(this);"> <input id="headq" name="q" type="text" value="闯关东" /> <input name="searchdomain" type="hidden" value="http://so.youku.com"> <input id="headSearchType" name="searchType" type="hidden" value="playlist"> <div> <div id="headSlected" onmouseout="drop_mouseout('head');">专辑</div> <div><a href="#" onmouseout="drop_mouseout('head');"></a></div> <div></div> <ul id="headSel"> <li><a href="#" onmouseover="drop_mouseover('head');" onmouseout="drop_mouseout('head');">视频</a></li> <li><a href="#" onmouseover="drop_mouseover('head');" onmouseout="drop_mouseout('head');">专辑</a></li> <li><a href="#" onmouseover="drop_mouseover('head');" onmouseout="drop_mouseout('head');">会员</a></li> <li><a href="#" onmouseover="drop_mouseover('head');" onmouseout="drop_mouseout('head');">看吧</a></li> <li><a href="#" onmouseover="drop_mouseover('head');" onmouseout="drop_mouseout('head');">PK擂台</a></li> </ul> </div> <div> <a href="#"><span>搜索</span></a> </div> <div id="searchExtend" name="searchExtend"> <input type="radio" name="sbt" value="post" />搜贴子<input type="radio" name="sbt" value="user" />按作者搜<input type="hidden" name="sbts" value="bar"> </div> <div></div> </form> </div> <div></div> </div> </div> </BODY> </HTML>
希望本文所述对大家的javascript程序设计有所帮助。
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