Contoh dalam artikel ini menerangkan cara melaksanakan menu lungsur turun berbilang peringkat dengan logo anak panah menggunakan JavaScript. Kongsikan dengan semua orang untuk rujukan anda. Butirannya adalah seperti berikut:
Ini ialah menu JS yang menyokong paparan berbilang peringkat Gerakkan tetikus ke item menu dengan segi tiga kecil untuk menarik keluar item submenu peringkat kedua Tanda akan dipaparkan di atas menu utama untuk memandu kedudukan semasa . Kod menu menggunakan kelas JS, yang boleh dimuat turun mengikut alamat kod Menu ini belum diuji dalam talian Anda mungkin perlu mengubah suai kod untuk menggunakannya dalam tapak web anda sendiri.
Tangkapan skrin kesan berjalan adalah seperti berikut:
Alamat demo dalam talian adalah seperti berikut:
http://demo.jb51.net/js/2015/js-focus-m-select-menu-nav-codes/
Kod khusus adalah seperti berikut:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>多级展开的横向菜单</title> <!--[imcss] *** Infinite Menus Core CSS: Keep this section in the document head for full validation. --> <style type="text/css">.imcm ul,.imcm li,.imcm div,.imcm span,.imcm a{text-align:left;vertical-align:top;padding:0px;margin:0;list-style:none outside none;border-style:none;background-image:none;clear:none;float:none;display:block;position:static;overflow:visible;line-height:normal;}.imcm li a img{display:inline;border-width:0px;}.imcm span{display:inline;}.imcm .imclear,.imclear{clear:both;height:0px;visibility:hidden;line-height:0px;font-size:1px;}.imcm .imsc{position:relative;}.imcm .imsubc{position:absolute;visibility:hidden;}.imcm li{list-style:none;font-size:1px;float:left;}.imcm ul ul li{width:100%;float:none !important;}.imcm a{display:block;position:relative;}.imcm ul .imsc,.imcm ul .imsubc {z-index:10;}.imcm ul ul .imsc,.imcm ul ul .imsubc{z-index:20;}.imcm ul ul ul .imsc,.imcm ul ul ul .imsubc{z-index:30;}.imde ul li:hover .imsubc{visibility:visible;}.imde ul ul li:hover .imsubc{visibility:visible;}.imde ul ul ul li:hover .imsubc{visibility:visible;}.imde li:hover ul .imsubc{visibility:hidden;}.imde li:hover ul ul .imsubc{visibility:hidden;}.imde li:hover ul ul ul .imsubc{visibility:hidden;}.imcm .imea{display:block;position:relative;left:0px;font-size:1px;line-height:1px;height:0px;width:1px;float:right;}.imcm .imea span{display:block;position:relative;font-size:1px;line-height:0px;}.dvs,.dvm{border-width:0px}/*\*//*/.imcm .imea{visibility:hidden;}/**/</style><!--[if IE]><style type="text/css">.imcm .imea span{position:absolute;}.imcm .imclear,.imclear{display:none;}.imcm{zoom:1;} .imcm li{curosr:hand;} .imcm ul{zoom:1}.imcm a{zoom:1;}</style><![endif]--><!--[if gte IE 7]><style type="text/css">.imcm .imsubc{background-image:url(ie_css_fix);}</style><![endif]--><!--end--> <!--[imstyles] *** Infinite Menu Styles: Keep this section in the document head for full validation. --> <style type="text/css"> #imenus0 .imeam span,#imenus0 .imeamj span {background-image:url(images/sample3_main_arrow.gif); width:7px; height:5px; left:-7px; top:5px; background-repeat:no-repeat;background-position:top left;} #imenus0 li:hover .imeam span,#imenus0 li a.iactive .imeamj span {background-image:url(images/sample3_main_arrow.gif); background-repeat:no-repeat;background-position:top left;} #imenus0 ul .imeas span,#imenus0 ul .imeasj span {background-image:url(images/sample3_sub_arrow.gif); width:5px; height:7px; left:-5px; top:3px; background-repeat:no-repeat;background-position:top left;} #imenus0 ul li:hover .imeas span,#imenus0 ul li a.iactive .imeasj span {background-image:url(images/sample3_sub_arrow.gif); background-repeat:no-repeat;background-position:top left;} #imouter0 {background-color:#ffffff; border-style:none; border-color:#6a6a6a; border-width:1px; padding:0px; margin:0px; } #imenus0 li ul {background-color:#efefef; border-style:solid; border-color:#cccccc; border-width:1px; padding:5px; margin:4px 0px 0px; } #imenus0 li a, #imenus0 .imctitle {color:#333333; text-align:left; font-family:Arial; font-size:12px; font-weight:normal; text-decoration:underline; border-style:solid; border-color:#dddddd; border-width:1px; padding:2px 8px; } #imenus0 li:hover>a {background-color:#efefef; text-decoration:underline; } #imenus0 li a.ihover, .imde imenus0 a:hover {background-color:#efefef; text-decoration:underline; } #imenus0 li a.iactive {} #imenus0 ul a, #imenus0 .imsubc li .imctitle {color:#555555; text-align:left; font-size:11px; font-weight:normal; text-decoration:none; border-style:none; border-color:#000000; border-width:1px; padding:2px 5px; } #imenus0 ul li:hover>a {color:#000000; text-decoration:underline; } #imenus0 ul li a.ihover {color:#000000; text-decoration:underline; } #imenus0 ul li a.iactive {background-color:#ffffff; } </style><!--end--> </head> <body> <div class="imrcmain0 imgl" style="width:580px;z-index:999999;position:relative;"><div class="imcm imde" id="imouter0"><ul id="imenus0"> <li class="imatm" style="width:145px;"><a class="" href="#"><span class="imea imeam"><span></span></span>Who We Are</a> <div class="imsc"><div class="imsubc" style="width:145px;top:0px;left:0px;"><ul > <li><a href="#">Overview</a></li> <li><a href="#">Mission & Goals</a></li> <li><a href="#">History</a></li> <li><a href="#">Management</a></li> <li><a href="#">Working at Tyco</a></li> <li><a href="#">Press Center</a></li> <li><a href="#"><span class="imea imeas"><span></span></span>Worldwide</a> <div class="imsc"><div class="imsubc" style="width:140px;top:-23px;left:132px;"><ul > <li><a href="#">Europe</a></li> <li><a href="#">Asia</a></li> <li><a href="#">US & Canada</a></li> <li><a href="#">Mexico</a></li> <li><a href="#">Australia</a></li> <li><a href="#">Middle East</a></li> </ul></div></div></li> <li><a href="#"><span class="imea imeas"><span></span></span>Board of Directors</a> <div class="imsc"><div class="imsubc" style="width:140px;top:-23px;left:132px;"><ul > <li><a href="#">Overview</a></li> <li><a href="#">Electronics</a></li> <li><a href="#">Fire & Security</a></li> <li><a href="#">Healthcare</a></li> <li><a href="#">Plastics & Adhesives</a></li> <li><a href="#">Engineered Producs</a></li> <li><a href="#">Tyco Worldwide</a></li> </ul></div></div></li> <li><a href="#">Customers</a></li> </ul></div></div></li> <li class="imatm" style="width:145px;"><a href="#"><span class="imea imeam"><span></span></span>Our Commitment</a> <div class="imsc"><div class="imsubc" style="width:146px;top:0px;left:-1px;"><ul > <li><a href="#">Overview</a></li> <li><a href="#">People & Values</a></li> <li><a href="#">Governance</a></li> <li><a href="#">Community</a></li> <li><a href="#">Environmental</a></li> </ul></div></div></li> <li class="imatm" style="width:145px;"><a href="#"><span class="imea imeam"><span></span></span>Our Business</a> <div class="imsc"><div class="imsubc" style="width:146px;top:0px;left:0px;"><ul > <li><a href="#">Overview</a></li> <li><a href="#">Electronics</a></li> <li><a href="#">Fire & Security</a></li> <li><a href="#">Healthcare</a></li> <li><a href="#">Plastics & Adhesives</a></li> <li><a href="#">Engineered Producs</a></li> <li><a href="#">Tyco Worldwide</a></li> </ul></div></div></li> <li class="imatm" style="width:145px;"><a href="#"><span class="imea imeam"><span></span></span>Investors</a> <div class="imsc"><div class="imsubc" style="width:146px;top:0px;left:-1px;"><ul > <li><a href="#">Overview</a></li> <li><a href="#">Stock Quotes</a></li> </ul></div></div></li> </ul><div class="imclear"> </div></div></div> <script language="JavaScript" src="images/ocscript.js" type="text/javascript"></script> </body> </html>
Saya harap artikel ini akan membantu reka bentuk pengaturcaraan JavaScript semua orang.