基于html5代碼實現(xiàn)折疊菜單附源碼下載，效果逼真，非常方便使用，對html5折疊菜單感興趣的朋友可以參考下
    hmtl代碼：
    代碼如下:
    <div>
    <div>
    <a class='toggle' href="#">
    <i class='fa fa-suitcase'></i>
    <span class='label-active'>愛編程</span>
    </a>
    <ul>
    <li class='active'>
    <a data-label="Everyting" href="#"><i class='fa fa-suitcase'></i> 愛編程</a>
    </li>
    <li>
    <a data-label="Design" href="#"><i class='fa fa-magic'></i> jQuery特效</a>
    </li>
    <li>
    <a data-label="UI-UX" href="#"><i class='fa fa-bolt'></i> CSS3特效</a>
    </li>
    <li>
    <a data-label="Print" href="#"><i class='fa fa-tint'></i> HTML5特效</a>
    </li>
    <li>
    <a data-label="Photography" href="#"><i class='fa fa-camera-retro'></i> 音效下載</a>
    </li>
    <li>
    <a data-label="Photography" href="#"><i class='fa fa-camera-retro'></i> flash動畫</a>
    </li>
    </ul>
    </div>
    </div>
    js代碼：
    代碼如下:
    (function ($) {
    var cards = $('.card-drop'), toggler = cards.find('.toggle'), links = cards.find('ul>li>a'), li = links.parent('li'), count = links.length, width = 100;
    li.each(function (i) {
    $(this).css('z-index', count - i);
    });
    function setClosed() {
    li.each(function (index) {
    $(this).css('top', index * 4).css('width', width - index * 0.5 + '%').css('margin-left', index * 0.25 + '%');
    });
    li.addClass('closed');
    toggler.removeClass('active');
    }
    setClosed();
    toggler.on('mousedown', function () {
    var $this = $(this);
    if ($this.is('.active')) {
    setClosed();
    } else {
    $this.addClass('active');
    li.removeClass('closed');
    li.each(function (index) {
    $(this).css('top', 60 * (index + 1)).css('width', '100%').css('margin-left', '0px');
    });
    }
    });
    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));