jQuery - trigger( event, [data] ) Method

Description

The trigger( event, [data] ) method triggers an event on every matched element.

Triggered events aren't limited to browser-based events, you can also trigger custom events registered with bind.

Syntax

Here is the simple syntax to use this method −

selector.trigger( event, [data] )

Parameters

Here is the description of all the parameters used by this method −

event − An event object or type to trigger.
data − This is an optional parameters and represents additional data to pass as arguments (after the event object) to the event handler.

Example

Following is a simple example a simple showing the usage of this method. Here you would trigger a click event on square TWO by clicking on square ONE −

Live Demo

<html>
   <head>
      <title>The jQuery Example</title>
      <script type = "text/javascript" 
         src = "https://www.tutorialspoint.com/jquery/jquery-3.6.0.js">
      </script>
		
      <script type = "text/javascript" language = "javascript">
         $(document).ready(function() {
			
            $("#div1").click( function () {
               $("#div2").trigger('click');
            });

            $("#div2").click( function () {
               alert( "Square TWO is clicked");
            });
				
         });
      </script>
		
      <style>
         div{ margin:10px;padding:12px; border:2px solid #666; width:60px;}
      </style>
   </head>
	
   <body>
	
      <span>Click square ONE to see the result:</span>
		
      <div id = "div1" style = "background-color:blue;">ONE</div>
      <div id = "div2" style = "background-color:blue;">TWO</div>
   </body>
</html>

This will produce following result −

jquery-events.htm