The MouseEvent.shiftKey read-only property is a boolean value that indicates whether the shift key was pressed or not when a given mouse event occurs.
MouseEvent.shiftKey
Value
A boolean value, where true indicates that the key is pressed, and false indicates that the key is not pressed.
Examples
This example logs the shiftKey property when you trigger a click event.
HTML
<p>Click anywhere to test the <code>shiftKey</code> property.</p> <p id="log"></p>
JavaScript
let log = document.querySelector('#log'); document.addEventListener('click', logKey); function logKey(e) { log.textContent = `The shift key is pressed: ${e.shiftKey}`; }
Result
Specifications
| Specification |
|---|
| UI Events # dom-mouseevent-shiftkey |
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
shiftKey |
1
|
12
|
1.5
|
9
|
≤12.1
|
1
|
≤37
|
18
|
4
|
≤12.1
|
1
|
1.0
|
See also
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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/shiftKey
