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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

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 Status Comment
Document Object Model (DOM) Level 3 Events Specification
The definition of 'getModifierState()' in that specification.		 Obsolete Initial definition.

Browser compatibilityUpdate compatibility data on GitHub

Desktop
Chrome Edge Firefox Internet Explorer Opera Safari
Basic support 47 Yes ? ? ? ?
"Accel" parameter No ? ? ? ? ?
Mobile
Android webview Chrome for Android Edge Mobile Firefox for Android Opera for Android iOS Safari Samsung Internet
Basic support 47 47 Yes ? ? ? ?
"Accel" parameter No No ? ? ? ? ?

See also

Edit this page on MDN

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https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/getModifierState