HTML DOM Window pageXOffset Property

Last Updated : 15 Jun, 2023

The Window pageXOffset property is used for returning the pixels of the current document which have been scrolled from the upper left corner of the window horizontally. It is a read-only property and it returns a number which represents the number of pixels that the document has already been scrolled from the upper left corner of the window horizontally.
Syntax:

window.pageXOffset

Return Value: It returns a Number that represents the number of pixels which the document has already been scrolled from the upper left corner of the window, horizontally.

Below program illustrates the Window pageXOffset Property :
Getting the pixels that the document has already been scrolled from the upper left corner of the window horizontally.

html

<!DOCTYPE html> 
<html> 
  
<head> 
    <title> 
      Window pageXOffset Property in HTML 
    </title> 
    <style> 
        h1 { 
            color: green; 
        } 
          
        h2 { 
            font-family: Impact; 
        } 
          
        body { 
            text-align: center; 
        } 
          
        div { 
            border: 2px black; 
            background-color: yellow; 
            height: 100px; 
            width: 2000px; 
        } 
    </style> 
</head> 
  
<body> 
  
    <h1>GeeksforGeeks</h1> 
    <h2>Window pageXOffset Property</h2> 
  
      
  
<p> 
      For returning pixels that the document has 
      already been scrolled from the upper left  
      corner of the window horizontally, double  
      click the "Check pageXOffset" button: 
    </p> 
  
  
  
    <button ondblclick="offset()" style="position:fixed;"> 
        Check pageXOffset 
    </button> 
  
    <div> 
    </div> 
  
    <script> 
        function offset() { 
            window.scrollBy(100, 100); 
            alert("pageXOffset : " + window.pageXOffset); 
        } 
    </script> 
  
</body> 
  
</html> 