HTML DOM Window screenTop Property

Last Updated : 15 Jun, 2023

The Window screenTop property is used for returning the ‘y’ or vertical coordinate of a window relative to a screen. It returns a number which represents the vertical coordinate of a window relative to a screen.
Syntax:

window.screenTop

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

Below program illustrates the Window screenTop Property :
Getting the vertical coordinate of a window relative to a screen.

HTML

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