jQuery Sidebar Expand Collapse

Last modified on September 10th, 2020.

We have seen a variety of jQuery expand collapse in this tutorial. Recently, we have seen jQuery horizontal expand collapse for header menu.

In this tutorial, we have an example to expand/collapse sidebar menu. We are showing a list of main menu items in a list. On clicking this main menu, the corresponding submenu list will be expanded by using jQuery.

View Demo

sidebar-expand-collapse

HTML Sidebar Menu List

This is the list of sidebar menu list followed by the styles.

<div id="popular" class="mainmenu">
	<a href="#">Popular Toys</a>
	<div class="submenu">
		<ul>
		<li><a href="#">Video Games</a>
		<li><a href="#">Barbies</a>
		<li><a href="#">Teddy Bear</a>
		<li><a href="#">Golf Set</a>
		</li></ul>
	</div>
</div>
<div id="recent" class="mainmenu">
	<a href="#">Recent Toys</a>
	<div class="submenu">
		<ul>
		<li><a href="#">Yoyo</a>
		<li><a href="#">Doctor Kit</a>
		<li><a href="#">Puzzles</a>
		<li><a href="#">Uno Cards</a>
		</li></ul>
	</div>
</div>
<div id="category" class="mainmenu">
	<a href="#">Toys Category</a>
	<div class="submenu">
		<ul>
		<li><a href="#">Battery Toys</a>
		<li><a href="#">Remote Toys</a>
		<li><a href="#">Magnet Toys</a>
		<li><a href="#">Soft Toys</a>
		</li></ul>
	</div>
</div>

.submenu {display: none;}
.mainmenu {margin: 1px;line-height: 30px;background: #0769AD url(plus.png) left top no-repeat;}
.mainmenu a{margin: 10px;color: #FFFFFF;text-decoration: none;padding-left:20px;}
.submenu ul{list-style: none;margin: 0;padding: 0px;}
.submenu li {background-color: #EEEEEE;margin:0px 0px 1px 4px;line-height: 30px;}
.submenu li a{color: #000000;}

jQuery Expand Collapse

This jQuery script is used to expand collapse submenu items by clicking on the main menu.

$(document).ready(function() {
			$(".mainmenu").click(function(){ 
				if($(this).children("div.submenu").css("display") == "none") {
					$(this).css('background-image', 'url(minus.png)');
					$(this).children("div.submenu").show();
				} else {
					$(this).css('background-image', 'url(plus.png)');
					$(this).children("div.submenu").hide();
				}
			});
		});

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