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 .
A boolean value that is true if the control key is enabled for this event; and false if the control is not enabled.
The TouchEvent.altKey example includes an example of this property's usage.
| Specification |
|---|
| Touch Events # dom-touchevent-ctrlkey |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
ctrlKey |
22 | 79 | 52
18–24Removed in bug 888304 due to web compatibility issues. |
No | 15 | No | 4.4 | 25 | 6 | 14 | 3.2 | 1.5 |
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https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent/ctrlKey