# event.metaKey property

The `event.metaKey` property lets you know if the `Cmd` key was pressed during the event. If pressed, the property will return the value `true`, otherwise - `false`.

## Syntax

`event.metaKey;`

## Example

In the following example, when a button is clicked, we will display a message indicating whether the `Cmd` key or the `Ctrl`, `Alt`, `Shift` keys were pressed:

`<button id="button">click me</button>` `let button = document.querySelector('#button'); button.addEventListener('click', function(event) { if (event.metaKey) { alert('Cmd pressed'); } if (event.ctrlKey) { alert('Ctrl pressed'); } if (event.altKey) { alert('Alt pressed'); } if (event.shiftKey) { alert('Shift pressed'); } });`

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## See also

- the `event.ctrlKey` property
  that catches pressing the Ctrl key
- the `event.shiftKey` property
  that catches pressing the Shift key
- the `event.altKey` property
  that catches pressing the Alt key
- the `code` property
  that gets the code of a pressed key
- the `event.key` property
  that gets an entered character

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