HTML DOM Window screenX Property

Last Updated : 15 Jun, 2023

The Window screenX property is used for returning the ‘x’ or the horizontal coordinates of a window relative to the screen. It returns a number which represents the horizontal distance of a window relative to the screen in pixels.

Syntax:

window.screenX

Return Value: It returns a number that represents the horizontal distance of the window relative to the screen, in pixels

Below program illustrates the window.screenX property :

Checking the X coordinates of a window relative to the screen.

html

<!DOCTYPE html> 
<html> 
  
<head> 
    <title> 
      Window screenX Property in HTML 
    </title> 
    <style> 
        h1 { 
            color: green; 
        } 
          
        h2 { 
            font-family: Impact; 
        } 
          
        body { 
            text-align: center; 
        } 
    </style> 
</head> 
  
<body> 
  
    <h1>GeeksforGeeks</h1> 
    <h2>Window screenX  Property</h2> 
  
      
  
<p> 
      For returning the X coordinates of a window 
      relative to the screen, double click the  
      "Check X Coordinate" button:  
    </p> 
  
  
  
    <button ondblclick="coordinate()"> 
      Check X Coordinate 
    </button> 
  
    <script> 
        function coordinate() { 
            var x = window.open("", "myWindow"); 
            x.document.write 
                    (" 
  
<p>Welcome to my Window"); 
            x.document.write 
            ("<br> X Coordinate : " + x.screenX + "</p> 
  
"); 
        } 
    </script> 
  
</body> 
  
</html> 