JQuery | isPlainObject() Method

Last Updated : 30 Apr, 2020

This isPlainObject() Method in jQuery is used to check to see if an object is a plain object.

Syntax:

jQuery.isPlainObject( obj )

Parameters: This method accept a single parameter that is mentioned above and described below:

obj: This parameter holds the object that will be checked to see if it’s a plain object.

Return Value: It returns the boolean value.

Below examples illustrate the use of isPlainObject() method in jQuery:

Example 1: In this example, the isPlainObject() method checks an object to see if it’s a plain object.

<!DOCTYPE html> 
<html> 
  
<head> 
    <meta charset="utf-8"> 
    <title>JQuery | isPlainObject() method</title> 
    <script src= 
"https://code.jquery.com/jquery-3.4.1.js"> 
    </script> 
  
</head> 
  
<body style="text-align:center;"> 
  
    <h1 style="color: green">  
        GeeksforGeeks  
    </h1> 
  
    <h3>JQuery | isPlainObject() method</h3> 
    <b>Whether '{}' is a Plain Object : </b> 
    <p></p> 
  
    <script> 
        $("p").append("" + $.isPlainObject({})); 
    </script> 
</body> 
  
</html> 

Output:

Example 2: In this example, the isPlainObject() method also checks an object to see if it’s a plain object.

<!DOCTYPE html> 
<html> 
  
<head> 
    <meta charset="utf-8"> 
    <title>JQuery | isPlainObject() method</title> 
    <script src= 
"https://code.jquery.com/jquery-3.4.1.js"> 
    </script> 
  
</head> 
  
<body style="text-align:center;"> 
  
    <h1 style="color: green">  
        GeeksforGeeks  
    </h1> 
  
    <h3>JQuery | isPlainObject() method</h3> 
    <p id="geek1"> 
      Whether 'document.location' is a Plain Object:  
    </p> 
    <p id="geek2">Whether String is a Plain Object:  
    </p> 
    <script> 
        
        // Document.location 
        $("#geek1").append("" + $.isPlainObject(document.location)); 
        
        // string = "Shubham_Singh" 
        $("#geek2").append("" + $.isPlainObject("Shubham_Singh")); 
    </script> 
</body> 
  
</html>                                       

Output:

JQuery | isWindow() Method

SHUBHAMSINGH10

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JQuery | isPlainObject() Method

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