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Open and Close the Sidebar in JavaScript (ES5) Sidebar control

23 Mar 2023 / 1 minute to read

Opening and closing the Sidebar can be achieved with built-in public methods.

  • show(): Method to open the Sidebar.
  • hide(): Method to close the Sidebar.
  • toggle(): Method to toggle between open and close states of the Sidebar.

In the following sample, toggle method has been used to show or hide the Sidebar on button click.

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//sidebar initialization
var defaultSidebar= new ej.navigations.Sidebar({
    showBackdrop: false,
        console.log("Sidebar is opened");
    close: function(e)
       console.log("Sidebar is closed");
//end of sidebar initialization

// Toggle(Open/Close) the sidebar
document.getElementById('toggle').onclick = function() {

// Close the sidebar
document.getElementById('close').onclick = function() {
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<!DOCTYPE html><html lang="en"><head>
    <title>Essential JS 2 Sidebar</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="Typescript UI Controls">
    <meta name="author" content="Syncfusion">
    <link href="" rel="stylesheet">
    <link href="//" rel="stylesheet">
    <link href="//" rel="stylesheet">
    <link href="//" rel="stylesheet">
    <link href="//" rel="stylesheet">
    <link href="styles.css" rel="stylesheet">
<script src="" type="text/javascript"></script>

    <div id="container">
        <!-- sidebar element declaration-->
        <aside id="default">
            <div class="title"> Sidebar content</div>
            <div class="sub-title">
                Click the button to close the Sidebar.
            <div class="center-align">
                <button id="close" class="e-btn close-btn">Close Sidebar</button>
        <!-- end of sidebar element -->
        <!-- main content declaration -->
            <div class="title">Main content</div>
            <div class="sub-title"> Click the button to Open the Sidebar.</div>
            <div style="padding:20px" class="center-align">
                <button id="open" class="e-btn e-info">Open Sidebar</button>
            <div class="sub-title"> Click the button to open/close the Sidebar.</div>
            <div style="padding:20px" class="center-align">
                <button id="toggle" class="e-btn e-info">Toggle Sidebar</button>
        <!--end of main content declaration -->

var ele = document.getElementById('container');
if(ele) { = "visible";
<script src="index.js" type="text/javascript"></script>
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#container {
  visibility: hidden;

#loader {
  color: #008cff;
  height: 40px;
  width: 30%;
  position: absolute;
  top: 45%;
  left: 45%;
#close,#close:hover,#close:active,#close:focus{ /* csslint allow: adjoining-classes*/
	background: #fafafa;
.header {
	height: 40px;
	line-height: 40px;
	font-weight: 500;
	background: #eee;
	display: inline-block;
.center-align {
	text-align: center;
	padding: 20px;

.title {
	text-align: center;
	font-size: 20px;
	padding: 15px;

.sub-title {
	text-align: center;
	font-size: 16px;
	padding: 10px;

.center {
	text-align: center;
	display: none;
	font-size: 13px;
	font-weight: 400;
	margin-top: 20px;

#wrapper {
	display: block;

.sb-content-tab .center { /* csslint allow: adjoining-classes*/
	display: block;

.sb-content-tab #wrapper { /* csslint allow: adjoining-classes*/
	display: none;

.right {
	float: right;

body {
	margin: 0;

#default {
	background-color: rgb(25, 118, 210);
	color: #ffffff;

.close-btn:hover {
	color: #fafafa;

.content-section { /* csslint allow: adjoining-classes */
	padding: 30px 10px 10px 20px;
.book .ej2-sample-frame { /* csslint allow: adjoining-classes */
	padding: 0;