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onkeydown Event
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:
- onkeydown
- onkeypress
- 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
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
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