Skip to content
Related Articles

Related Articles

JavaScript Boolean constructor Property

View Discussion
Improve Article
Save Article
Like Article
  • Difficulty Level : Basic
  • Last Updated : 24 Nov, 2021

Below is the example of the Boolean constructor property. 
 

  • Example: 
     

javascript




<script type = "text/javascript">
        var bool = false;
        document.write("bool.constructor:"
                + bool.constructor);
</script>    

 

  • Output: 
     
bool.constructor:function Boolean() { [native code] }

In JavaScript, the boolean constructor property returns the constructor function for an object. For JavaScript Boolean, the constructor property returns function Boolean() { [native code] }.
Syntax: 
 

boolean.constructor

Return value: It returns the function Boolean() { [native code] }.
More example codes for the above property are as follows: 
Example 1: This example illustrates boolean constructor property. 
 

html




<!DOCTYPE html>
<html>
 
<head>
    <title>
        JavaScript Boolean constructor Property
    </title>
</head>
 
<body style="text-align:center;">
 
    <div>
             
        <h1 style="color: green;">GeeksforGeeks</h1>
                 
         
<p>
            JavaScript Boolean constructor Property
            returns the function that created
            the boolean's prototype:
        </p>
 
                 
        <b id="GFG"></b>
         
    </div>
     
    <!-- Script to use boolean constructor -->
    <script>
        var bool = false;
        document.getElementById("GFG").innerHTML
                = bool.constructor;
    </script>
</body>
 
</html>                    

Output: 
 

Example 2: This example illustrates boolean constructor property. 
 

html




<!DOCTYPE html>
<html>
 
<head>
    <title>
        JavaScript Boolean constructor Property
    </title>
</head>
 
<body style="text-align:center;">
 
    <div>
             
        <h1 style="color: green;">GeeksforGeeks</h1>
                 
         
<p>
            JavaScript Boolean constructor Property
            returns the function that created
            the boolean's prototype:
        </p>
 
        <button onclick="gfg()">Click me</button>
        <p id="name"></p>
 
    </div>
     
    <!-- Script to use Boolean constructor Property -->
    <script>
    function gfg(){
        var bool = false;
        document.getElementById("name").innerHTML
                = bool.constructor;
    }
    </script>
</body>
 
</html>        

Output: 
 

Supported Browsers: The browsers supported by JavaScript Boolean constructor Property are listed below:
 

  • Google Chrome 1 and above
  • Internet Explorer 3 and above
  • Mozilla Firefox 1 and above
  • Safari 1 and above
  • Opera 4 and above

 


My Personal Notes arrow_drop_up
Recommended Articles
Page :

Start Your Coding Journey Now!