本文實例講述了js實現向右橫向滑出的二級菜單效果。分享給大家供大家參考。具體如下：
這是一個網頁上的橫向滑出二級菜單，菜單是豎向排列的，但二級子菜單項是向右橫向滑出的，引入了一個JS封裝庫文件，這個菜單兼容性方面也做的挺好，只是覺得，菜單中有些代碼不便于修改，有興趣的自己看看吧。
運行效果截圖如下：
在線演示地址如下：
http://demo.VeVB.COm/js/2015/js-web-right-show-out-2l-menu-codes/
具體代碼如下：
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width:6px; height:9px; left:-6px; 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/light_arrow_right.gif); background-repeat:no-repeat;background-position:top left;} /* --[[ Sub Expand Icons ]]-- */ #imenus0 ul .imeas span,#imenus0 ul .imeasj span {background-image:url(images/medium_purple_right.gif); width:6px; height:9px; left:-6px; 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/medium_purple_right.gif); background-repeat:no-repeat;background-position:top left;} #imouter0 {border-style:none; border-color:#6a6a6a; border-width:1px; padding:0px; margin:0px; } #imenus0 li ul {background-color:#d3d2df; border-style:solid; border-color:#333333; border-width:1px; padding:5px; margin:4px 0px 0px; } #imenus0 li a, #imenus0 .imctitle {height:20px; background-color:#585575; color:#dddddd; text-align:left; font-family:Arial; font-size:12px; font-weight:normal; text-decoration:none; border-style:none; border-color:#ffffff; border-width:1px; padding:2px 8px; margin:0px 0px 2px; } #imenus0 li:hover>a {text-decoration:underline; } #imenus0 li a.ihover, .imde imenus0 a:hover {text-decoration:underline; } #imenus0 li a.iactive {} #imenus0 ul a, #imenus0 .imsubc li .imctitle {height:auto; background-color:transparent; 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; margin:0px; } #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:149px;z-index:999999;position:relative;"><div class="imcm imde" id="imouter0"><ul id="imenus0"><li class="imatm" style="width:100%;"><a class="" href="#"><span class="imea imeam"><span></span></span>我是誰</a> <div class="imsc"><div class="imsubc" style="width:145px;top:-30px;left:159px;"><div class="imunder"></div><div></div><ul style=""> <li><a href="#">成龍</a></li> <li><a href="#">Mission & Goals</a></li> <li><a href="#">周華健</a></li> <li><a href="#">Management</a></li> <li><a href="#">學友</a></li> <li><a href="#">Press Center</a></li> <li><a href="#"><span class="imea imeas"><span></span></span>世界好大</a> <div class="imsc"><div class="imsubc" style="width:140px;top:-23px;left:138px;"><div class="imunder"></div><div></div><ul style=""> <li><a href="#">美國</a></li> <li><a href="#">晉州</a></li> <li><a href="#">US & Canada</a></li> <li><a href="#">Mexico</a></li> <li><a href="#">海州</a></li> <li><a href="#">Middle East</a></li> </ul></div></div></li> <li><a href="#"><span class="imea imeas"><span></span></span>海歸之鄉</a> <div class="imsc"><div class="imsubc" style="width:140px;top:-23px;left:138px;"><div class="imunder"></div><div></div><ul style=""> <li><a href="#">Overview</a></li> <li><a href="#">Electronics</a></li> <li><a href="#">故鄉有云</a></li> <li><a href="#">Healthcare</a></li> <li><a href="#">回來吧</a></li> <li><a href="#">Engineered Producs</a></li> <li><a href="#">Tyco Worldwide</a></li> </ul></div></div></li> <li><a href="#">自定義</a></li> </ul></div></div></li><li class="imatm" style="width:100%;"><a href="#"><span class="imea imeam"><span></span></span>Our Commitment</a> <div class="imsc"><div class="imsubc" style="width:146px;top:-30px;left:159px;"><div class="imunder"></div><div></div><ul style=""> <li><a href="#">預覽項目</a></li> <li><a href="#">People & Values</a></li> <li><a href="#">政府部門</a></li> <li><a href="#">Community</a></li> <li><a href="#">Environmental</a></li> </ul></div></div></li><li class="imatm" style="width:100%;"><a href="#"><span class="imea imeam"><span></span></span>Our Business</a> <div class="imsc"><div class="imsubc" style="width:146px;top:-30px;left:159px;"><div class="imunder"></div><div></div><ul style=""> <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:100%;"><a href="#"><span class="imea imeam"><span></span></span>Investors</a> <div class="imsc"><div class="imsubc" style="width:146px;top:-30px;left:159px;"><div class="imunder"></div><div></div><ul style=""> <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/ocscriptmain.js" type="text/javascript"></script></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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