Web Window API | DOM Window fullscreen property

The Window interface has a fullscreen property which tells whether the window is displayed in fullscreen mode or not.

Syntax:

BoolVal = windowReference.fullScreen;

Return value:

Boolean

True: If windows is in fullscreen mode.
False: If windows are not in fullscreen mode.

Example :

<!DOCTYPE html> 
<html> 
  
<head> 
    <title> 
        Window fullscreen property 
    </title> 
</head> 
  
<body> 
    <center> 
        <h1 style="color:green;">  
                GeeksForGeeks  
            </h1> 
  
        <h2>Window fullscreen property</h2> 
  
        <button onclick="GFGfun();">press</button> 
        <script> 
            function GFGfun() { 
                alert(window.fullScreen); 
            } 
        </script> 
    </center> 
</body> 
  
</html> 

Output:
Window not in fullscreen:

Window in fullscreen:

Browser support:

Firefox 3+

My Personal Notes

Recommended Posts:

DeepakDev

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