MouseEvent.getModifierState()

The MouseEvent.getModifierState() method returns the current state of the specified modifier key: true if the modifier is active (i.e., the modifier key is pressed or locked), otherwise, false.

See the document of KeyboardEvent.getModifierState() for details.

Syntax

var active = event.getModifierState(keyArg);

Returns

A boolean value

Parameters

keyArg: A modifier key value. The value must be one of the KeyboardEvent.key values which represent modifier keys or "Accel". This is case-sensitive.

Specifications

Specification
UI Events # dom-mouseevent-getmodifierstate

Browser compatibility

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet
`getModifierState`	47	12	15	9	34	12.1	47	47	15	34	12.2	5.0
`accel_support`	No	No	?	?	?	?	No	No	?	?	?	No