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The MouseEvent.shiftKey read-only property indicates if the shift key was pressed (true) or not (false) when the event occurred.

Syntax

var shiftKeyPressed = instanceOfMouseEvent.shiftKey

Return value

A boolean

Example

<html>
<head>
<title>shiftKey example</title>

<script type="text/javascript">

function showChar(e){
  alert(
    "Key Pressed: " + String.fromCharCode(e.charCode) + "\n"
    + "charCode: " + e.charCode + "\n"
    + "SHIFT key pressed: " + e.shiftKey + "\n"
    + "ALT key pressed: " + e.altKey + "\n"
  );
}

</script>
</head>

<body onkeypress="showChar(event);">
<p>Press any character key, with or without holding down
 the SHIFT key.<br />
You can also use the SHIFT key together with the ALT key.</p>
</body>
</html>

Specifications

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

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support Yes Yes Yes Yes Yes Yes
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support ? ? Yes ? ? ? ?

See also

Etiquetas do documento e colaboradores

Colaboradores desta página: fscholz, libbymc, teoli, kscarfone, amycb, Jeremie
Última atualização por: fscholz,