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HTML | Window pageYOffset Property

  • Last Updated : 26 Jul, 2019
Geek Week

The Window pageYOffset property is used for returning the pixels of the current document which have been scrolled from the upper left corner of the window vertically. 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 vertically.

Syntax:

window.pageYOffset

Below program illustrates the Window pageYOffset Property :

Getting the pixels that the document has already been scrolled from the upper left corner of the window vertically.




<!DOCTYPE html>
<html>
  
<head>
    <title>
      Window pageYOffset Property in HTML
    </title>
    <style>
        h1 {
            color: green;
        }
          
        h2 {
            font-family: Impact;
        }
          
        body {
            text-align: center;
        }
          
        div {
            border: 2px black;
            background-color: yellow;
            height: 2000px;
            width: 200px;
        }
    </style>
</head>
  
<body>
  
    <h1>GeeksforGeeks</h1>
    <h2>Window pageYOffset Property</h2>
  
    <p>
      For returning pixels that the document has already
      been scrolled from the upper left corner of the 
      window vertically, double click the "Check 
      pageYOffset" button: 
    </p>
  
    <button ondblclick="offset()" >
        Check pageYOffset
    </button>
  
    <div>
    </div>
  
    <script>
        function offset() {
            window.scrollBy(100, 100);
            alert("pageYOffset : " + window.pageYOffset);
        }
    </script>
  
</body>
  
</html>

Output:



After clicking the button

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

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

Attention reader! Don’t stop learning now. Get hold of all the important HTML concepts with the Web Design for Beginners | HTML  course.




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