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onkeydown Event

Event Object Reference Event Object

Example

Execute a JavaScript when a user is pressing a key:

<input type="text" onkeydown="myFunction()">

Try it yourself »


Definition and Usage

The onkeydown event occurs when the user is pressing a key (on the keyboard).

Tip: The order of events related to the onkeydown event:

  1. onkeydown
  2. onkeypress
  3. onkeyup

Syntax

In HTML:

<element onkeydown="SomeJavaScriptCode">

In JavaScript:

object.onkeydown=function(){SomeJavaScriptCode};

Parameter Description
SomeJavaScriptCode Required. Specifies a JavaScript to be executed when the event occurs


Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

The onkeydown event is supported in all major browsers.


onkeydown In HTML

The onkeydown attribute can be used within ALL HTML elements, EXCEPT: <base>, <bdo>, <br>, <head>, <html>, <iframe>, <meta>, <param>, <script>, <style>, and <title>.


Event Object Reference Event Object

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