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

The Window screenLeft property is used for returning the ‘x’ or horizontal coordinate of a window relative to a screen. It returns a number which represents the horizontal coordinate of a window relative to a screen.

Syntax:

window.screenLeft

Below program illustrates the Window screenLeft Property :

Getting the horizontal coordinate of a window relative to a screen.




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

Output:

After clicking the button

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

  • Google Chrome
  • Internet Explorer
  • Opera
  • Safari



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