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我開發使用下劃線主題，在那一刻，我的導航欄適用於大屏幕的畫面一個WordPress網站顯示：如何申請手風琴到子菜單
但是我發現一個問題在小屏幕中，當我點擊一個具有子菜單的菜單項時。它沒有手風琴。
如何申請手風琴對我這樣子，當我點擊約例如，子菜單將下拉爲手風琴所以，在某種程度上，我仍然可以看到其餘菜單？
這裏我目前的CSS：
@media(max-width: 600px){
ul#primary-menu li {
width: 100%;
}
}
.menu-main-menu-container {
max-width: 1280px;
margin: auto;
}
li#menu-item-65 > a:after {
font-family: FontAwesome;
content: '\f107';
padding-left: 10px;
color: #99c71b;
}
li#menu-item-66 > a:after {
font-family: FontAwesome;
content: '\f107';
padding-left: 10px;
color: #99c71b;
}
.main-navigation {
clear: both;
display: block;
float: left;
width: 100%;
background-color: #353535;
border-bottom: 5px solid #99c71b;
}
.main-navigation ul {
display: none;
list-style: none;
margin: 0;
}
ul#primary-menu > li {
border-top: 3px solid;
padding-bottom: 3px;
}
ul#primary-menu > li:hover{
border-top: 3px solid #99c71b;
}
.main-navigation li {
float: left;
position: relative;
}
.main-navigation a {
display: block;
text-decoration: none;
color: white;
font-weight: 600;
text-transform: uppercase;
padding: 15px;
}
.main-navigation ul ul {
box-shadow: 0 3px 3px rgba(0, 0, 0, 0.2);
float: left;
position: absolute;
top: 3.5em;
left: -999em;
z-index: 99999;
}
.main-navigation ul ul ul {
left: -999em;
top: 0;
}
.main-navigation ul ul a {
width: 200px;
}
.main-navigation ul li:hover > ul,
.main-navigation ul li.focus > ul {
left: auto;
}
.main-navigation ul ul li:hover > ul,
.main-navigation ul ul li.focus > ul {
left: 100%;
}
/* submemunu*/
ul.sub-menu {
background-color: #cecece;
}
ul.sub-menu a {
padding: 0 !important;
}
ul.sub-menu a:hover {
border-top: 0px solid transparent;
}
ul.sub-menu li:first-child {
/* padding-top: 10px;*/
}
ul.sub-menu li {
margin-left: -33px !important;
}
ul.sub-menu a:hover {
color: #fff;
}
/* Small menu. */
.menu-toggle,
.main-navigation.toggled ul {
display: block;
}
@media screen and (min-width: 37.5em) {
.menu-toggle {
display: none;
}
.main-navigation ul {
display: block;
}
}
和JavaScript：
(function($) {
var container, button, menu, links, subMenus, i, len;
container = document.getElementById('site-navigation');
if (! container) {
return;
}
button = container.getElementsByTagName('button')[0];
if ('undefined' === typeof button) {
return;
}
menu = container.getElementsByTagName('ul')[0];
// Hide menu toggle button if menu is empty and return early.
if ('undefined' === typeof menu) {
button.style.display = 'none';
return;
}
menu.setAttribute('aria-expanded', 'false');
if (-1 === menu.className.indexOf('nav-menu')) {
menu.className += ' nav-menu';
}
button.onclick = function() {
if (-1 !== container.className.indexOf('toggled')) {
container.className = container.className.replace(' toggled', '');
button.setAttribute('aria-expanded', 'false');
menu.setAttribute('aria-expanded', 'false');
} else {
container.className += ' toggled';
button.setAttribute('aria-expanded', 'true');
menu.setAttribute('aria-expanded', 'true');
}
};
// Get all the link elements within the menu.
links = menu.getElementsByTagName('a');
subMenus = menu.getElementsByTagName('ul');
// Set menu items with submenus to aria-haspopup="true".
for (i = 0, len = subMenus.length; i < len; i++) {
subMenus[i].parentNode.setAttribute('aria-haspopup', 'true');
}
// Each time a menu link is focused or blurred, toggle focus.
for (i = 0, len = links.length; i < len; i++) {
links[i].addEventListener('focus', toggleFocus, true);
links[i].addEventListener('blur', toggleFocus, true);
}
/**
* Sets or removes .focus class on an element.
*/
function toggleFocus() {
var self = this;
// Move up through the ancestors of the current link until we hit .nav-menu.
while (-1 === self.className.indexOf('nav-menu')) {
// On li elements toggle the class .focus.
if ('li' === self.tagName.toLowerCase()) {
if (-1 !== self.className.indexOf('focus')) {
self.className = self.className.replace(' focus', '');
} else {
self.className += ' focus';
}
}
self = self.parentElement;
}
}
/**
* Toggles `focus` class to allow submenu access on tablets.
*/
(function(container) {
var touchStartFn, i,
parentLink = container.querySelectorAll('.menu-item-has-children > a, .page_item_has_children > a');
if ('ontouchstart' in window) {
touchStartFn = function(e) {
var menuItem = this.parentNode, i;
if (! menuItem.classList.contains('focus')) {
e.preventDefault();
for (i = 0; i < menuItem.parentNode.children.length; ++i) {
if (menuItem === menuItem.parentNode.children[i]) {
continue;
}
menuItem.parentNode.children[i].classList.remove('focus');
}
menuItem.classList.add('focus');
} else {
menuItem.classList.remove('focus');
}
};
for (i = 0; i < parentLink.length; ++i) {
parentLink[i].addEventListener('touchstart', touchStartFn, false);
}
}
}(container));
})(jQuery);
希望能得到一些幫助。 在此先感謝