Returns the rotation angle, in degrees, of the contact area ellipse defined by Touch.radiusX and Touch.radiusY. The value may be between 0 and 90. Together, these three values describe an ellipse that approximates the size and shape of the area of contact between the user and the screen. This may be a large ellipse representing the contact between a fingertip and the screen or a small one representing the tip of a stylus, for example.


var angle = touchItem.rotationAngle;

Return value

The number of degrees of rotation to apply to the described ellipse to align with the contact area between the user and the touch surface.


Specification Status Comment
Touch Events version 1 Proposed Recommendation Initial definition.

Browser Compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 39.0 -webkit
? ? ? ?
Feature Android Android Webview Firefox Mobile (Gecko) Firefox OS IE Mobile Opera Mobile Safari Mobile Chrome for Android
Basic support Not supported 39.0 -webkit
? ? ? ? ? 39.0 -webkit

See also

Document Tags and Contributors

Contributors to this page: jpmedley, fscholz, jsx, kscarfone, Khodaidad_Basharmand, Sheppy
Last updated by: jpmedley,