Home > Article > Web Front-end > js implements multi-level drop-down menu effect with rounded corners_javascript skills
js implements multi-level drop-down menu effect with rounded corners_javascript skills
- WBOYOriginal
- 2016-05-16 15:41:541125browse
The example in this article describes how to implement a multi-level drop-down menu with rounded corners using js. Share it with everyone for your reference. The details are as follows:
This is a cool black multi-level slide-down menu with rounded corners, which can support three levels. When the mouse is placed, you can see the slide-out menu. It calls a JS packaging library. The code is a bit complicated, and you can study it if you are interested.
The screenshot of the running effect is as follows:
The online demo address is as follows:
http://demo.jb51.net/js/2015/js-down-show-menu-style-codes/
The specific code is as follows:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>下拉菜单</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]--><!-- ****** Infinite Menus Rounded Corners Add-On ****** -->
<script language="JavaScript" type="text/javascript">
ulm_round_corner_size_main = 2;
ulm_round_corner_size_sub = 2;
</script>
<div id="ssimrc" style="position:absolute;visibility:hidden;"><style type="text/css">.imgl .imrc{font-size:1px;line-height:0px;height:1px;border-width:0px;border-style:solid;border-right-width:1px;border-left-width:1px;}.imgl .imbrc{border-width:0px;border-bottom-width:1px;height:0px;}</style></div><!--[if lte IE 6]><style type="text/css">.imgl .imrc{overflow:hidden;}.imgl .imroundcorner{height:1px;}</style><![endif]--><!--[if gte IE 7]><style type="text/css">.imgl .imroundcorner{zoom:1;}</style><![endif]--><script language="JavaScript" type="text/javascript">;function im_round_corners(tb,ms,isget,inner){var size=window["ulm_round_corner_size_"+ms];var pos=0;var wv="";if(!inner)wv+='<div class="imroundcorner" imrctype="'+tb+'" imrcgroup="'+ms+'">';if(tb=="top"){wv+=im_rcs(size,1," imtopspace");for(var i=size-1;i>=0;i--)wv+=im_rcs(i);}else {for(var i=0;i<size;i++)wv+=im_rcs(i);wv+=im_rcs(size,1,"");}if(!inner)wv+='</div>';if(isget)return wv;else document.write(wv);};function im_rcs(pos,is_cap,topclass){if(is_cap)return '<div class="imrbcolor imrc imbrc'+topclass+'" style="margin-left:'+pos+'px;margin-right:'+pos+'px;"></div>';else return '<div class="imrbcolor imrcolor imrc" style="vertical-align:top;margin-left:'+pos+'px;margin-right:'+pos+'px;"></div>';}</script>
<!--end-->
<!--[imstyles] *** Infinite Menu Styles: Keep this section in the document head for full validation. -->
<style type="text/css">
/* --[[ Main Expand Icons ]]-- */
#imenus0 .imeam span,#imenus0 .imeamj span {width:9px; height:9px; left:-10px; top:5px; background-repeat:no-repeat;background-position:top left;}
#imenus0 li:hover .imeam span,#imenus0 li a.iactive .imeamj span {background-repeat:no-repeat;background-position:top left;}
/* --[[ Sub Expand Icons ]]-- */
#imenus0 ul .imeas span,#imenus0 ul .imeasj span {background-image:url(images/small_red_pointer.gif); width:7px; height:8px; left:-8px; 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/small_red_pointer.gif); background-repeat:no-repeat;background-position:top left;}
/* --[[ Main Container ]]-- */
#imouter0 {background-color:#546347; border-style:solid; border-color:#000000; border-width:0px 1px; padding:0px 2px; margin:0px; }
/* [Rounded Corner Styles] */
.imrcmain0 .imrcolor {background-color:#546347; }
.imrcmain0 .imrbcolor {border-color:#444444; }
.imrcmain0 .imtopspace {height:0px; }
/* --[[ Sub Container ]]-- */
#imenus0 li ul {background-color:#cce7bc; border-style:solid; border-color:#a2a2a2; border-width:0px 1px; padding:5px 7px; }
/* [Rounded Corner Styles] */
#imenus0 .imrcolor {background-color:#cce7bc; }
#imenus0 .imrbcolor {border-color:#a2a2a2; }
#imenus0 .imtopspace {height:6px; }
/* --[[ Main Items ]]-- */
#imenus0 li a, #imenus0 .imctitle {color:#ffffff; text-align:center; font-family:Arial; font-size:12px; font-weight:bold; text-decoration:none; border-style:none; border-color:#000000; border-width:0px; padding:2px 5px 2px 12px; }
/* [hover] - These settings must be duplicated for IE compatibility.*/
#imenus0 li:hover>a {background-color:#cce7bc; color:#546347; }
#imenus0 li a.ihover, .imde imenus0 a:hover {background-color:#cce7bc; color:#546347; }
/* [active] */
#imenus0 li a.iactive {}
/* --[[ Sub Items ]]-- */
#imenus0 ul a, #imenus0 .imsubc li .imctitle {color:#111111; text-align:left; font-size:11px; font-weight:normal; text-decoration:none; border-style:none; border-color:#000000; border-width:1px; padding:2px 5px; }
/* [hover] - These settings must be duplicated for IE comptatibility.*/
#imenus0 ul li:hover>a {background-color:transparent; color:#cc0000; }
#imenus0 ul li a.ihover {background-color:transparent; color:#cc0000; }
/* [active] */
#imenus0 ul li a.iactive {background-color:#ffffff; }
/* [Dividers] */
#imenus0 .dvs {border-bottom-width:1px; border-style:dotted; border-color:#546347; padding-bottom:4px; margin-bottom:4px; }
</style><!--end-->
</head>
<body>
<!--|**START IMENUS**|imenus0,inline-->
<!-- ****** Infinite Menus Structure & Links ***** -->
<div class="imrcmain0 imgl" style="width:538px;z-index:999999;position:relative;"><script language="JavaScript" type="text/javascript">im_round_corners("top","main");</script><div class="imcm imde" id="imouter0"><ul id="imenus0">
<li class="imatm" style="width:140px;"><a class="" href="#"><span class="imea imeam"><span></span></span>Who We Are</a>
<div class="imsc"><div class="imsubc" style="width:140px;top:0px;left:0px;"><script language="JavaScript" type="text/javascript">im_round_corners("top","sub");</script><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 class="dvs"><a href="#">Press Center</a></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:-26px;left:127px;"><script language="JavaScript" type="text/javascript">im_round_corners("top","sub");</script><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><script language="JavaScript" type="text/javascript">im_round_corners("bottom","sub");</script></div></div></li>
<li class="dvs"><a href="#"><span class="imea imeas"><span></span></span>Worldwide</a>
<div class="imsc"><div class="imsubc" style="width:140px;top:-26px;left:127px;"><script language="JavaScript" type="text/javascript">im_round_corners("top","sub");</script><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><script language="JavaScript" type="text/javascript">im_round_corners("bottom","sub");</script></div></div></li>
<li><a href="#">Customers</a></li>
</ul><script language="JavaScript" type="text/javascript">im_round_corners("bottom","sub");</script></div></div></li>
<li class="imatm" style="width:142px;"><a href="#"><span class="imea imeam"><span></span></span>Our Commitment</a>
<div class="imsc"><div class="imsubc" style="width:142px;top:0px;left:0px;"><script language="JavaScript" type="text/javascript">im_round_corners("top","sub");</script><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><script language="JavaScript" type="text/javascript">im_round_corners("bottom","sub");</script></div></div></li>
<li class="imatm" style="width:125px;"><a href="#"><span class="imea imeam"><span></span></span>Our Business</a>
<div class="imsc"><div class="imsubc" style="width:125px;top:0px;left:0px;"><script language="JavaScript" type="text/javascript">im_round_corners("top","sub");</script><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</a></li>
<li><a href="#">Engineered Producs</a></li>
<li><a href="#">Tyco Worldwide</a></li>
</ul>
<script language="JavaScript" type="text/javascript">
im_round_corners("bottom","sub");
</script>
</div></div></li>
<li class="imatm" style="width:125px;"><a href="#"><span class="imea imeam"><span></span></span>Investors</a>
<div class="imsc"><div class="imsubc" style="width:126px;top:0px;left:0px;"><script language="JavaScript" type="text/javascript">im_round_corners("top","sub");</script><ul >
<li><a href="#">Overview</a></li>
<li><a href="#">Stock Quotes</a></li>
</ul><script language="JavaScript" type="text/javascript">
im_round_corners("bottom","sub");
</script>
</div></div></li>
</ul><div class="imclear"> </div></div><script language="JavaScript" type="text/javascript">im_round_corners("bottom","main");</script></div>
<script language="JavaScript" src="ocscript.js" type="text/javascript"></script>
</body>
</html>
I hope this article will be helpful to everyone’s JavaScript programming design.
Statement：
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Previous article：AngularJS Node.js implements online chat room_AngularJSNext article：AngularJS Node.js implements online chat room_AngularJS
Related articles
See more- An in-depth analysis of the Bootstrap list group component
- Detailed explanation of JavaScript function currying
- Complete example of JS password generation and strength detection (with demo source code download)
- Angularjs integrates WeChat UI (weui)
- How to quickly switch between Traditional Chinese and Simplified Chinese with JavaScript and the trick for websites to support switching between Simplified and Traditional Chinese_javascript skills