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jQuery noop() method

The noop() function is an empty function in jQuery. It does not accept any parameter. We can use this function when we have to pass around a function that does nothing. This method returns undefined.

Instead of declaring multiple anonymous functions, we can use the noop() function as a single empty function.

Syntax

The commonly used syntax of using the noop() function is given below -

It does not accept any arguments.

Now, let's see an example of using the noop() method.

Example

It is a simple example of using the noop() method. Here, we are storing the value returned by the noop() method in a variable and print that variable using the innerHTML.

<!DOCTYPE html> 
<html> 

<head> 
	<title> jQuery noop() method </title> 
	<script src = "https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"> </script> 
</head> 
<body> 
	<h1> Welcome to the tutorialsinfo.com </h1> 
	<h3> It is an example of using the noop() method. </h3> 
   <p id = "p1"> The noop() method returns: <b id = "b1"> </b> </p> 
   
    <script> 
	$("document").ready(function(){
      var a = jQuery.noop(); 
      document.getElementById("b1").innerHTML = a; 
	  });
    </script> 
</body> 
</html>

Test it Now

Output

After the execution of the above code, the output will be -