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MouseEvent.metaKey

The MouseEvent.metaKey read-only property returning a Boolean that indicates if the Meta key was pressed (true) or not (false) when the event occured.

Note: On Macintosh keyboards, this is the command key (⌘). On Windows keyboards, this is the windows key (⊞).

Syntax

var metaKeyPressed = instanceOfMouseEvent.metaKey

Return value

A boolean

Example

 function goInput(e) {
 // checks metaKey and
   if (e.metaKey) {
        // passes event along
     superSizeOutput(e);
   } else {
     doOutput(e);
   }
 }

Specifications

Specification	Status	Comment
Document Object Model (DOM) Level 3 Events Specification The definition of 'MouseEvent.metaKey' in that specification.	Obsolete	No change from Document Object Model (DOM) Level 2 Events Specification.
Document Object Model (DOM) Level 2 Events Specification The definition of 'MouseEvent.metaKey' in that specification.	Obsolete	Initial definition.

Browser compatibilityUpdate compatibility data on GitHub

	Desktop
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari
Basic support	Yes	Yes	Yes	Yes	Yes	Yes