HTML | Window screenX Property

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.



Below program illustrates the window.screenX property :

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





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



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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