本文實例講述了js實現的二級橫向菜單條。分享給大家供大家參考。具體如下：
這是一款十分清新的多級網頁菜單，類似滑動門的操作風格，鼠標放上后，相應的二級菜單會顯示出來，我覺得挺漂亮的，適合許多網站使用，不相信么？點擊“運行代碼”看效果吧。
運行效果截圖如下：
在線演示地址如下：
http://demo.VeVB.COm/js/2015/js-2row-nav-menu-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"><TITLE>藍色二級橫向滑動導航菜單</TITLE><style type=text/css>UL { LIST-STYLE-TYPE: none; padding:0px; margin:0px;}LI { FONT-SIZE: 12px; COLOR: #333; LINE-HEIGHT: 1.5em; FONT-FAMILY: "微軟雅黑", Arial, Verdana;}.hide { DISPLAY: none}#mainmenu_top UL LI .menuhover { BACKGROUND: url(images/mainmenu_s.gif) no-repeat; COLOR: #fff;}#mainmenu_top UL LI A { MARGIN-TOP: 2px; CURSOR: pointer; PADDING-TOP: 8px; HEIGHT: 20px; text-decoration: none;}#mainmenu_top { width:100%; HEIGHT: 28px; display:block; overflow:hidden;}#mainmenu_top UL LI {FLOAT: left}#mainmenu_top UL LI A { WIDTH: 81px; height:auto; DISPLAY: block; COLOR: #666666; TEXT-ALIGN: center; BACKGROUND: url(images/mainmenu_h.gif) no-repeat;}#mainmenu_bottom { width:100%; height:32px; line-height:32px; display:block; overflow:hidden; BACKGROUND: url(images/mainmenu_bg.jpg) repeat-x}#mainmenu_bottom .mainmenu_rbg { HEIGHT: 32px; COLOR: #fff; MARGIN-LEFT: 0px; PADDING: 0px 0px 0px 5px; BACKGROUND: url(images/mainmenu_r.gif) no-repeat right 50%;}#mainmenu_bottom UL {}#mainmenu_bottom UL LI { PADDING-LEFT: 8px; FLOAT: left; MARGIN-LEFT: 7px; HEIGHT: 32px;}#mainmenu_bottom UL LI.se { FLOAT: left; MARGIN-LEFT: 7px; HEIGHT: 32px; PADDING-LEFT: 8px; BACKGROUND: url(images/menulink_bg_l.gif) no-repeat;}#mainmenu_bottom UL LI A { COLOR: #fff; LINE-HEIGHT: 32px; PADDING-RIGHT: 18px; DISPLAY: block; text-decoration: none; BACKGROUND: url(images/menulink_bg_normal.gif) no-repeat right 50%;}#mainmenu_bottom UL LI A:hover { BACKGROUND: url(images/menulink_bg_normal.gif) no-repeat right 50%; color: #FFCC00;}#mainmenu_bottom UL LI A.se { COLOR: #fff; LINE-HEIGHT: 32px; PADDING-RIGHT: 18px; DISPLAY: block; BACKGROUND: url(images/menulink_bg_r.gif) no-repeat right 50%;}</style><SCRIPT type=text/javascript>var waitting = 1;var secondLeft = waitting;var timer;var sourceObj;var number;function getObject(objectId)//獲取id的函數{ if(document.getElementById && document.getElementById(objectId)) { // W3C DOM return document.getElementById(objectId); } else if (document.all && document.all(objectId)) { // MSIE 4 DOM return document.all(objectId); } else if (document.layers && document.layers[objectId]) { // NN 4 DOM.. note: this won't find nested layers return document.layers[objectId]; } else { return false; }}function SetTimer()//主導航時間延遲的函數{ for(j=1; j <10; j++){ if (j == number){ if(getObject("mm"+j)!=false){ getObject("mm"+ number).className = "menuhover"; getObject("mb"+ number).className = ""; } } else{ if(getObject("mm"+j)!=false){ getObject("mm"+ j).className = ""; getObject("mb"+ j).className = "hide"; } } }}function CheckTime()//設置時間延遲后{ secondLeft--; if ( secondLeft == 0 ) { clearInterval(timer); SetTimer(); }}function showM(thisobj,Num)//主導航鼠標滑過函數,帶時間延遲{ number = Num; sourceObj = thisobj; secondLeft = 1; timer = setTimeout('CheckTime()',100);}function OnMouseLeft()//主導航鼠標移出函數,清除時間函數{ clearInterval(timer); } function mmenuURL()//主導航、二級導航顯示函數{var thisURL = document.URL;tmpUPage = thisURL.split( "/" );thisUPage_s = tmpUPage[ tmpUPage.length-2 ];thisUPage_s= thisUPage_s.toLowerCase();//小寫 if(thisUPage_s=="#"||thisUPage_s=="#"||thisUPage_s=="#") { getObject("mm1").className="menuhover" getObject("mb1").className = ""; } else if(thisUPage_s=="domain") { getObject("mm2").className="menuhover" getObject("mb2").className = ""; } else if(thisUPage_s=="hosting") { getObject("mm3").className="menuhover" getObject("mb3").className = ""; } else if(thisUPage_s=="mail") { getObject("mm4").className="menuhover" getObject("mb4").className = ""; } else if(thisUPage_s=="solutions"||thisUPage_s=="site"){ getObject("mm5").className="menuhover" getObject("mb5").className = ""; } else if(thisUPage_s=="promotion"){ getObject("mm6").className="menuhover" getObject("mb6").className = ""; } else if(thisUPage_s=="trade"||thisUPage_s=="phonetic"||thisUPage_s=="switchboard"||thisUPage_s=="note"){ getObject("mm7").className="menuhover" getObject("mb7").className = ""; } else if(thisUPage_s=="benefit"){ getObject("mm8").className="menuhover" getObject("mb8").className = ""; } else if(thisUPage_s=="userlogon"||thisUPage_s=="domain_service"||thisUPage_s=="hosting_service"||thisUPage_s=="mail_service"||thisUPage_s=="Payed"||thisUPage_s=="unPayed"||thisUPage_s=="Invoice"||thisUPage_s=="Finance"||thisUPage_s=="RegInfoModify"){ getObject("mm9").className="menuhover" getObject("mb9").className = ""; } else { getObject("mm1").className=""; getObject("mb1").className = ""; }}window.load=mmenuURL()</SCRIPT><!--導航開始--><DIV id=mainmenu_body><!--主導航開始--> <DIV id=mainmenu_top> <UL> <LI><A id=mm1 onmouseover=showM(this,1); onmouseout=OnMouseLeft(); href="#" target=_parent>網站首頁</A> </LI> <LI><A id=mm2 onmouseover=showM(this,2); onmouseout=OnMouseLeft(); href="#" target=_parent>JS代碼</A> </LI> <LI><A id=mm3 onmouseover=showM(this,3); onmouseout=OnMouseLeft(); href="#" target=_parent>電子商務</A> </LI> <LI><A id=mm4 onmouseover=showM(this,4); onmouseout=OnMouseLeft(); href="#" target=_parent>腳本下載</A> </LI> <LI><A id=mm5 onmouseover=showM(this,5); onmouseout=OnMouseLeft(); href="#" target=_parent>建站技巧</A> </LI> <LI><A id=mm6 onmouseover=showM(this,6); onmouseout=OnMouseLeft(); href="#" target=_parent>CSS技巧</A> </LI> <LI><A id=mm7 onmouseover=showM(this,7); onmouseout=OnMouseLeft(); href="#" target=_parent>CSS導航菜單</A> </LI> <LI style="DISPLAY: none"><A id=mm8 onmouseover=showM(this,8); onmouseout=OnMouseLeft(); href="#" target=_parent>菜單特效</A> </LI> <LI><A id=mm9 onmouseover=showM(this,9); onmouseout=OnMouseLeft(); href="#" target=_parent>SEO優化</A> </LI></UL> </DIV><!--子導航導航開始--> <DIV id=mainmenu_bottom> <DIV class=mainmenu_rbg> <UL class=hide id=mb1> <LI><A href="#">腳本下載-中小企業菜單特效專家</A> </LI> <LI><A href="#">網站公告：腳本下載歡迎您~</A> </LI> </UL> <UL class=hide id=mb2> <LI style="DISPLAY: none"><A href="#" target=_parent>腳本下載</A> </LI> <LI><A href="#" target=_parent>腳本下載</A> </LI> <LI><A href="#" target=_parent>腳本下載</A> </LI> <LI><A href="#" target=_parent>腳本下載</A> </LI> <LI><A href="#" target=_parent>網頁特效</A> </LI></UL> <UL class=hide id=mb3> <LI style="DISPLAY: none"><A href="#" target=_parent>腳本下載</A> </LI> <LI style="MARGIN-LEFT: 7px"><A href="#" target=_parent>腳本下載</A> </LI> <LI><A href="#" target=_parent>菜單特效</A> </LI> <LI><A href="#" target=_parent>菜單特效</A> </LI> <LI><A href="#" target=_parent>菜單特效</A> </LI> <LI><A href="#" target=_parent>網頁特效</A> </LI></UL> <UL class=hide id=mb4> <LI style="DISPLAY: none; MARGIN-LEFT: 80px"><A href="#" target=_parent>腳本下載</A> </LI> <LI style="MARGIN-LEFT: 80px"><A href="#" target=_parent>網頁特效</A> </LI> <LI><A href="#" target=_parent>菜單特效</A> </LI> <LI><A href="#" target=_parent>菜單特效</A> </LI></UL> <UL class=hide id=mb5> <LI style="DISPLAY: none"><A href="#" target=_parent>腳本下載</A> </LI> <LI style="MARGIN-LEFT: 80px"><A href="#" target=_parent>服務器租用</A> </LI> <LI><A href="#" target=_parent>菜單特效</A> </LI> <LI><A href="#" target=_parent>超級機房</A> </LI> <LI><A href="#" target=_parent>腳本下載</A> </LI></UL> <UL class=hide id=mb6> <LI style="DISPLAY: none"><A href="#" target=_parent>腳本下載</A> </LI> <LI style="MARGIN-LEFT: 160px"><A href="#" target=_parent>腳本下載</A> </LI> <LI><A href="#" target=_parent>腳本下載</A> </LI> <LI><A href="#" target=_parent>腳本下載</A> </LI></UL> <UL class=hide id=mb7> <LI style="DISPLAY: none"><A href="#" target=_parent>腳本下載</A> </LI> <LI style="MARGIN-LEFT: 180px"><A href="#" target=_parent>腳本下載</A> </LI> <LI><A href="#" target=_parent>腳本下載</A> </LI> <LI><A href="#" target=_parent>個人建站</A> </LI> <LI><A href="#" target=_parent>門戶建站</A> </LI></UL> <UL class=hide id=mb8 style="DISPLAY: none"> <LI style="MARGIN-LEFT: 270px"><A href="/agent/" target=_parent>腳本下載</A> </LI> <LI><A href="#" target=_parent>菜單特效</A> </LI> <LI><A href="#" target=_parent>菜單特效</A> </LI></UL> <UL class=hide id=mb9> <LI style="MARGIN-LEFT: 180px"><A href="/agent/">腳本下載</A> </LI> <LI><A href="#" target=_parent>菜單特效</A> </LI> <LI><A href="#" target=_parent>菜單特效</A> </LI> <LI><A href="#" target=_parent>菜單特效</A> </LI></UL> </DIV> </DIV></DIV></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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