onkeydown event
Examples
Execute Javascript code in a user presses a key:
<input type="text" onkeydown="myFunction()">
try it"
Definition and Usage
onkeydown event occurs when the user presses a keyboard key.
Tip: onkeydown event associated with the event triggering the order:
- onkeydown
- onkeypress
- onkeyup
grammar
In HTML:
<element
onkeydown="SomeJavaScriptCode">
In JavaScript:
object .onkeydown=function(){SomeJavaScriptCode};
| 参数 | 描述 |
|---|---|
| SomeJavaScriptCode | 必需。规定该事件发生时执行的 JavaScript。 |
Browser Support
All major browsers support onkeydown event
HTML tags support of the event:
onkeydown property can be used for all HTML elements except: <base>, <bdo>, <br>, <head>, <html>, <iframe>, <meta>, <param>, <script>, <style> , and <title>.
Event objects