The read-only shiftKey property of the TouchEvent interface returns a boolean value indicating whether or not the shift key is enabled when the touch event is created. If this key is enabled, the attribute's value is true. Otherwise, it is false.
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TouchEvent: shiftKey property
Value
The boolean value true if the shift key is enabled for this event; and false if the shift key is not enabled.
Examples
The TouchEvent.altKey example includes an example of this property's usage.
Specifications
| Specification | 
|---|
| Touch Events # dom-touchevent-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 | 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/shiftKey