jQuery Sidebar Expand Collapse

by Vincy. Last modified on May 27th, 2021.

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

HTML Sidebar Menu List

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

sidebar-expand-collapse

<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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