Touch: rotationAngle property

{{ APIRef("Touch Events") }}

The rotationAngle read-only property of the {{domxref("Touch")}} interface returns the rotation angle, in degrees, of the contact area ellipse defined by {{ domxref("Touch.radiusX") }} and {{ domxref("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 relatively large ellipse representing the contact between a fingertip and the screen or a small area representing the tip of a stylus, for example.

Value

A number.

Examples

The Touch.radiusX example includes an example of this property's usage.

Specifications

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Browser compatibility

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