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HTML | Window screenX Property
  • Last Updated : 26 Jul, 2019

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

Below program illustrates the window.screenX property :

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




<!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>

Output:

After clicking the button

Supported Browsers: The browser supported by Window screenX Property are listed below:

  • Google Chrome
  • Internet Explorer
  • Firefox
  • Opera
  • Safari



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