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/DOM

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.
Working Draft 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.
Recommendation Initial definition.

Browser compatibility

Feature Edge Firefox (Gecko) Chrome Internet Explorer Opera Safari
Basic support (Yes) (Yes) (Yes) (Yes) (Yes) (Yes)
Feature Edge Firefox Mobile (Gecko) Android IE Mobile Opera Mobile Safari Mobile
Basic support (Yes) ? ? ? ? ?

See also

© 2005–2017 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/metaKey