1. Web
  2. Web APIs
  3. TouchEvent
  4. ctrlKey

TouchEvent: ctrlKey property

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

The read-only ctrlKey property of the TouchEvent interface returns a boolean value indicating whether the control (Control) key is enabled when the touch event is created. If this key is enabled, the attribute's value is true. Otherwise, it is false.

This property is Read only.

Value

A boolean value that is true if the control key is enabled for this event; and false if the control is not enabled.

Examples

The TouchEvent.altKey example includes an example of this property's usage.

Specifications

Specification
Touch Events
# dom-touchevent-ctrlkey

Browser compatibility

Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
ctrlKey
Chrome – Full support
Chrome 22 (Release date: 2012-09-25)
footnote Full support
Edge – Full support
Edge 79 (Release date: 2020-01-15)
footnote Full support
Firefox – No support
Firefox 18 – 23 (Release date: 2013-01-08)
footnote Removed in 24 and later
footnote Removed in bug 888304 due to web compatibility issues.
Firefox – Full support
Firefox 52 (Release date: 2017-03-07)
footnote Full support
Opera – Full support
Opera 15 (Release date: 2013-07-02)
footnote Full support
Safari – No support
Safari
footnote No support
Chrome Android – Full support
Chrome Android 25 (Release date: 2013-02-27)
footnote Full support
Firefox for Android – Full support
Firefox for Android 6 (Release date: 2011-08-16)
footnote Full support
Opera Android – Full support
Opera Android 14 (Release date: 2013-05-21)
footnote Full support
Safari on iOS – Full support
Safari on iOS 3.2 (Release date: 2010-04-03)
footnote Full support
Samsung Internet – Full support
Samsung Internet 1.5 (Release date: 2013-09-25)
footnote Full support
WebView Android – Full support
WebView Android 4.4 (Release date: 2013-12-09)
footnote Full support
WebView on iOS – Full support
WebView on iOS 3.2 (Release date: 2010-04-03)
footnote Full support

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Full support
No support
Has more compatibility info.

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