KeyboardEvent.constructor

The KeyboardEvent() constructor creates a new KeyboardEvent.

Syntax

 event = new KeyboardEvent(typeArg, KeyboardEventInit);

Values

typeArg

Is a DOMString representing the name of the event.

KeyboardEventInitOptional

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.

Specifications

Browser compatibilityUpdate compatibility data on GitHub

See also

• KeyboardEvent, the interface of the objects it constructs.