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