HTML DOM defaultView Property

The DOM defaultView property in HTML is used to return the document Window Object. The window object is the open windows in the browser.

Syntax:

document.defaultView

Return Value: It is used to returns the current Window Object.

Example 1:

html

<!DOCTYPE html> 
<html> 
    <head> 
        <title> 
            DOM defaultView Property 
        </title> 
    </head> 
      
    <body style = "text-align:center"> 
          
        <h1 style = "color:green">w3wiki</h1> 
        <h2>DOM defaultView Property </h2> 
          
        <button onclick = "Beginner()">Submit</button> 
          
        <p id="sudo"></p> 
          
        <script> 
            function Beginner() { 
                var doc = document.defaultView; 
                document.getElementById("sudo").innerHTML = doc; 
            } 
        </script> 
      
    </body> 
</html>                     

Output: Before Click on the button:

After Click on the button:

Example 2: This example is used to return the width and height of the Windows.

html

<!DOCTYPE html> 
<html> 
    <head> 
        <title> 
            DOM defaultView Property 
        </title>  
    </head> 
      
    <body> 
        <center> 
            <h1 style = "color:green;">w3wiki</h1> 
            <h2>DOM defaultView Property </h2> 
              
            <button onclick="Beginner()">Submit</button> 
              
            <p id="sudo"></p> 
              
            <!-- script to find window size -->
            <script> 
                function Beginner() { 
                    var def_view = document.defaultView; 
                    var width = def_view.innerWidth; 
                    var height = def_view.innerHeight; 
                    document.getElementById("sudo").innerHTML  
                    = "Width: " + width +  
                    "<br>Height: " + height; 
                } 
            </script> 
        </center> 
    </body> 
</html>                     

Output: Before Click on the button:

After Click on the button:

Supported Browsers: The browser supported by DOM defaultView property are listed below:

Google Chrome 1 and above
Edge 12 and above
Internet Explorer 9 and above
Firefox 1 and above
Opera 12.1 and above
Safari 1 and above

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