jQuery bind example

The aim of this example is to show you how to use the jQuery bind() method. This method is used to attach a handler to an event of HTML elements.

This method has three overloaded signatures

1- .bind( eventType [, eventData ], handler )
The event type is the event name as “click”,”change”, etc. This method can bind one handler to many events, the event types must be separated by a space as “click change”.

2- .bind( eventType [, eventData ] [, preventBubble ] )
This signature is used to prevent an event where preventBubble is a boolean value, set preventBubble to false will prevent the event.

3- .bind( events )
Here we can bind many events at same time. Each event has it’s own handler. It’s syntax is like $( "selector" ).bind({event1: handler1,event2: handler2});.

Let’s look at some examples. To download the jQuery library, click here.


First of all you need to create a simple html document.

<!DOCTYPE html>
	<title>jQuery bind example</title>
	<script src="jquery-2.1.4.min.js"></script>
<!-- HTML -->


2. jQuery bind examples

2.1 Changing the input text value to uppercase example

Let’s add the following simple html code.

Last Name :<input  type="text" id="lastName"/>

As you can notice in the following jQuery code, the line 2 of the code binds a handler to change event.

<script type="text/javascript">
$( "#lastName" ).bind("change",function () {
	var value = $(this).val().toUpperCase();	

The result in the browser would be:

Changing the input text value to uppercase
Changing the input text value to uppercase

2.2 Prevent click event example

Let’s add the following simple html code.

<a href="http://www.webcodegeeks.com/" class="link" id="link1">Link1</a><br/>
<a href="http://www.webcodegeeks.com/" class="link" id="link2">Link2</a>

The following code is used to prevent the click event of the second link.

<script type="text/javascript">
$( "#link2" ).bind("click",false);

The result in the browser would be:

Prevent click event example
Prevent click event example

2.3 Binding mouse events

Let’s add the following simple html code.

<div> id="container" style="width:100px;height:100px;background-color:#f00"></div>

In the following jQuery code, the third bind() method signature is used to bind many events at the same time.

<script type="text/javascript">

The result in the browser would be:

Binding mouseenter , mouseleave events
Binding mouseenter , mouseleave events


The jQuery provides easy method to bind a handler to an event of HTML elements. The jQuery .bind() is used for this purpose. This method has many overloaded signatures that can be used.

4. Download

Download: You can download the full source code of this example here : jQuery bind example

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Saeb Najim

Saeb has graduated from the University of Technology. During the last ten years (since 2005) he has been involved with a large number of projects about programming, software engineering, design and analysis . He works as a senior Software Engineer in the e-commerce and web development sector where he is mainly responsible for projects based on Java, Java frameworks, design patterns and Big Data technologies.
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