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HTML DOM onkeydown Event - GeeksforGeeks

HTML DOM onkeydown Event

Last Updated : 12 Jul, 2025

The DOM onkeydown event in HTML occurs when a key is pressed by the user. Order of events related to the onkeydown event:

Supported HTML tags: All HTML elements, EXCEPT:

<base>
<bdo>
<br>
<head>
<html>
<iframe>
<meta>
<param>
<script>
<style>
<title>

Syntax:

In HTML:

<element onkeydown="myScript">>

In JavaScript:

object.onkeydown = function(){myScript};

In JavaScript, using the addEventListener() method:

object.addEventListener("keydown", myScript);

Example: onkeydown Event using the addEventListener() method

html


 <!DOCTYPE html>
<html>

<body>
    <h1 style="color:green">
        GeekforGeeks
    </h1>
    <p>
          Press any key inside the input field
      </p>
    <input type="text" id="inputField" 
           style="background-color:green">

    <script>
        document.getElementById(
            "inputField").addEventListener("keydown", GFGFun);
        function GFGFun() {
            document.getElementById(
                "inputField").style.backgroundColor =
                "yellow";
        }
    </script>
</body>

</html>

Output:

Supported Browsers: The browsers supported by HTML DOM onkeydown Event are listed below:

Google Chrome
Internet Explorer
Firefox
Apple Safari
Opera

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