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HTML | Window pageYOffset Property

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  • Last Updated : 01 Jun, 2022

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 that 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. 

HTML




<!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 1 and above
  • Edge 12 and above
  • Internet Explorer 9 and above
  • Firefox 1 and above
  • Opera 3 and above
  • Safari 1 and above

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