WheelEvent.deltaMode

The WheelEvent.deltaMode read-only property returns an unsigned long representing the unit of the delta values scroll amount. Permitted values are:

Syntax

var unit = event.deltaMode;

Example

var syntheticEvent = new WheelEvent("syntheticWheel", {"deltaX": 4, "deltaMode": 0});

console.log(syntheticEvent.deltaMode);

Specifications

Browser compatibility

See also

• wheel
• WheelEvent