之前已经为大家介绍了好多。今天为大家再带来一款由和jquery实现的卡片折叠式菜单。当菜单关闭的时候，有三维堆叠的效果。我们一起看下效果图：
html代码：
css3代码：
html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video { margin: 0; padding: 0; border: 0; font: inherit; font-size: 100%; vertical-align: baseline; } ol, ul { list-style: none; } body { background-color: #F2EFE9; overflow: visible; padding-top: 40px; font-family: helvetica, arial, sans-serif; font-size: 1em; } * { -webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box; } #wrapper { width: 680px; margin: 0 auto; height: 1000px; } h1 { font-size: 2.5em; text-align: center; font-weight: bold; margin-bottom: 10px; line-height: 1.4em; color: #4e6a6a; text-shadow: 0 1px 0 rgba(255, 255, 255, 0.8); font-family: helvetica, arial, sans-serif; } h1 span { font-weight: lighter; } .card-drop { max-width: 300px; position: relative; margin: 0 auto; -webkit-perspective: 800px; -moz-perspective: 800px; -ms-perspective: 800px; -o-perspective: 800px; perspective: 800px; } .card-drop a { display: block; width: 100%; background-color: salmon; padding: 20px 0 20px 20px; height: 60px; text-decoration: none; color: #1e2929; background-color: #5f8181; border-bottom: 1px solid #4e6a6a; -webkit-transition: all 0.3s ease-out; -moz-transition: all 0.3s ease-out; -o-transition: all 0.3s ease-out; transition: all 0.3s ease-out; } .card-drop a i { display: inline-block; width: 20px; } .card-drop > a.toggle { position: relative; z-index: 300; -webkit-backface-visibility: hidden; -moz-backface-visibility: hidden; -ms-backface-visibility: hidden; -o-backface-visibility: hidden; backface-visibility: hidden; -webkit-transform-style: preserve-3d; -moz-transform-style: preserve-3d; -ms-transform-style: preserve-3d; -o-transform-style: preserve-3d; transform-style: preserve-3d; -webkit-transform-origin: 50% 0%; -moz-transform-origin: 50% 0%; -ms-transform-origin: 50% 0%; -o-transform-origin: 50% 0%; transform-origin: 50% 0%; -webkit-transition: 0.1s linear; -moz-transition: 0.1s linear; -o-transition: 0.1s linear; transition: 0.1s linear; background-color: #729797; } .card-drop > a.toggle:active { -webkit-transform: rotateX(60deg); -moz-transform: rotateX(60deg); -ms-transform: rotateX(60deg); -o-transform: rotateX(60deg); transform: rotateX(60deg); } .card-drop > a.toggle.active:before { content: "\f0d8"; } .card-drop > a.toggle:before { border-left: 1px solid #4E6A6A; color: #344646; content: "?"; display: block; font-family: 'FontAwesome'; font-size: 1.3em; height: 59px; line-height: 60px; position: absolute; right: 0; text-align: center; text-shadow: 0 1px 0 rgba(255, 255, 255, 0.3); top: 0; width: 60px; } .card-drop ul { position: absolute; height: 100%; top: 0; display: block; width: 100%; } .card-drop ul li { margin: 0 auto; -webkit-transition: all, 0.3s ease-out; -moz-transition: all, 0.3s ease-out; -o-transition: all, 0.3s ease-out; transition: all, 0.3s ease-out; position: absolute; top: 0; z-index: 0; width: 100%; } .card-drop ul li a:hover { background-color: #6a9090; color: #dce5e5; } .card-drop ul li.active a { color: #95b1b1; background-color: #547272; cursor: default; } .card-drop ul li.closed a:hover { cursor: default; background-color: #5f8181; } js代码：
$(document).ready(function () { (function ($) { //Author: Brady Sammons //URL: www.bradysammons.com /* -------------------------------------------------------- */ /* //set Global variables /* -------------------------------------------------------- */ var cards = $(".card-drop"), toggler = cards.find(".toggle"), links = cards.find("ul>li>a"), li = links.parent('li'), count = links.length, width = links.outerWidth(); console.info(count); console.info(width); console.info(toggler); console.info(links); console.info(li); console.info(cards); //set z-Index of drop Items links.parent("li").each(function (i) { $(this).css("z-index", count - i); //invert the index values }); //set top margins & widths of li elements function setClosed() { li.each(function (index) { $(this).css("top", index * 2) .css("width", width - index * 20) .css("margin-left", (index * 20) / 2) .css("margin-left", (index * 20) / 2); }); li.addClass('closed'); toggler.removeClass("active"); } setClosed(); /* -------------------------------------------------------- */ /* Toggler Click handler /* -------------------------------------------------------- */ toggler.on("mousedown", function () { var $this = $(this); //cache $(this) //if the menu is active: console.info(this); if ($this.is(".active")) { setClosed(); } else { //if the menu is un-active: $this.addClass("active"); li.removeClass('closed'); //set top margins li.each(function (index) { $(this).css("top", 60 * (index + 1)) .css("width", "70%") .css("margin-left", "40px"); }); } }); /* -------------------------------------------------------- */ /* Links Click handler /* -------------------------------------------------------- */ links.on("click", function (e) { var $this = $(this), label = $this.data("label"); icon = $this.children("i").attr("class"); li.removeClass('active'); if ($this.parent("li").is("active")) { $this.parent('li').removeClass("active"); } else { $this.parent("li").addClass("active"); } toggler.children("span").text(label); toggler.children("i").removeClass().addClass(icon); setClosed(); e.preventDefault; }); })(jQuery); }); //@ sourceURL=pen.js 注：本文原创文章，转载请注明原文地址：