KeyboardEvent: KeyboardEvent() constructor

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

The KeyboardEvent() constructor creates a new KeyboardEvent object.

Syntax

new KeyboardEvent(type)
new KeyboardEvent(type, options)

A string with the name of the event. It is case-sensitive and browsers set it to keydown, keyup, or keypress.

An object that, in addition of the properties defined in UIEvent(), can have the following properties:

key Optional: A string, defaulting to "", that sets the value of KeyboardEvent.key.
code Optional: A string, defaulting to "", that sets the value of KeyboardEvent.code.
location Optional: A number, defaulting to 0, that sets the value of KeyboardEvent.location.
repeat Optional: A boolean value, defaulting to false, that sets the value of KeyboardEvent.repeat.
isComposing Optional: A boolean value, defaulting to false, that sets the value of KeyboardEvent.isComposing.
charCode Optional: A number, defaulting to 0, that sets the value of the deprecated KeyboardEvent.charCode.
keyCode Optional: A number, defaulting to 0, that sets the value of the deprecated KeyboardEvent.keyCode.
which Optional: A number, defaulting to 0, that sets the value of the deprecated UIEvent.which.
ctrlKey Optional: A boolean value, defaulting to false, that sets the value of KeyboardEvent.ctrlKey.
shiftKey Optional: A boolean value, defaulting to false, that sets the value of KeyboardEvent.shiftKey.
altKey Optional: A boolean value, defaulting to false, that sets the value of KeyboardEvent.altKey.
metaKey Optional: A boolean value, defaulting to false, that sets the value of KeyboardEvent.metaKey.

Specification
UI Events # dom-keyboardevent-keyboardevent

	desktop					mobile
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on iOS	Samsung Internet	WebView Android	WebView on iOS
`KeyboardEvent()` constructor	Chrome – Full support Chrome 26 (Release date: 2013-03-26) footnote Full support	Edge – Full support Edge 12 (Release date: 2015-07-29) footnote Full support	Firefox – Full support Firefox 31 (Release date: 2014-07-22) footnote Full support	Opera – Full support Opera 15 (Release date: 2013-07-02) footnote Full support	Safari – Full support Safari 7 (Release date: 2013-10-22) footnote Full support	Chrome Android – Full support Chrome Android 26 (Release date: 2013-04-03) footnote Full support	Firefox for Android – Full support Firefox for Android 31 (Release date: 2014-07-22) footnote Full support	Opera Android – Full support Opera Android 14 (Release date: 2013-05-21) footnote Full support	Safari on iOS – Full support Safari on iOS 7 (Release date: 2013-09-18) footnote Full support	Samsung Internet – Full support Samsung Internet 1.5 (Release date: 2013-09-25) footnote Full support	WebView Android – Full support WebView Android 4.4 (Release date: 2013-12-09) footnote Full support	WebView on iOS – Full support WebView on iOS 7 (Release date: 2013-09-18) footnote Full support

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