KeyboardEvent()

The KeyboardEvent() constructor creates a new KeyboardEvent.

Syntax

 event = new KeyboardEvent(typeArg, KeyboardEventInit);

Is a KeyboardEventInit dictionary, having the following fields:

"key", optional and defaulting to "", of type DOMString, that sets the value of KeyboardEvent.key.
"code", optional and defaulting to "", of type DOMString, that sets the value of KeyboardEvent.code.
"location", optional and defaulting to 0, of type unsigned long, that sets the value of KeyboardEvent.location.
"ctrlKey", optional and defaulting to false, of type Boolean, that sets the value of KeyboardEvent.ctrlKey.
"shiftKey", optional and defaulting to false, of type Boolean, that sets the value of KeyboardEvent.shiftKey.
"altKey", optional and defaulting to false, of type Boolean, that sets the value of KeyboardEvent.altKey.
"metaKey", optional and defaulting to false, of type Boolean, that sets the value of KeyboardEvent.metaKey.
"repeat", optional and defaulting to false, of type Boolean, that sets the value of KeyboardEvent.repeat.
"isComposing", optional and defaulting to false, of type Boolean, that sets the value of KeyboardEvent.isComposing.
"charCode", optional and defaulting to 0, of type unsigned long, that sets the value of the deprecated KeyboardEvent.charCode.
"keyCode", optional and defaulting to 0, of type unsigned long, that sets the value of the deprecated KeyboardEvent.keyCode.
"which", optional and defaulting to 0, of type unsigned long, that sets the value of the deprecated KeyboardEvent.which.

The KeyboardEventInit dictionary also accepts fields from the UIEventInit and EventInit dictionaries.

Specification	Status	Comment
UI Events The definition of 'KeyboardEvent()' in that specification.	Working Draft	Current definition.
Document Object Model (DOM) Level 3 Events Specification The definition of 'KeyboardEvent()' in that specification.	Obsolete	Initial definition.

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`KeyboardEvent()` constructor	Chrome Full support Yes	Edge ?	Firefox Full support 31	IE No support No	Opera Full support Yes	Safari ?	WebView Android Full support Yes	Chrome Android Full support Yes	Firefox Android Full support 31	Opera Android Full support Yes	Safari iOS ?	Samsung Internet Android Full support Yes
Added `code` and `key` to `KeyboardEventInit`	Chrome Full support 49	Edge ?	Firefox ?	IE No support No	Opera ?	Safari ?	WebView Android Full support 49	Chrome Android Full support 49	Firefox Android ?	Opera Android ?	Safari iOS ?	Samsung Internet Android Full support 5.0