HTML | DOM Window frameElement Properties

Last Updated : 11 Jul, 2025

HTML DOM Window frameElement property returns the iframe element in which the window is embedded or stored. If it is not stored, in that case, it simply returns a null value.

Syntax:

window.frameElement

Return Value: It returns an IFrame object or null.

Example:

html

<!DOCTYPE html>
<html>

<head>
    <title>
        HTML | DOM Window frameElement Properties
    </title>

</head>

<body>

    <p>
      click on the button. IF the window is in
      iframe then it will change its URL to 
      geekforgeeks official website.
    </p>

    <button onclick="myFunction()">
        Click!
    </button>

    <script>
        function myFunction() {
            var iframe = window.frameElement;
            //  IF WINDOW IS NOT EMBEDDED 
            //  THEN IFRAME WILL HAVE A NULL VALUE.

            if (iframe) {
                iframe.src = 
            "https://www.geeksforgeeks.org/
            }
        }
    </script>

</body>

</html>