kotlin-stdlib / org.w3c.dom.events / WheelEventInit WheelEventInit JS 1.1 interface WheelEventInit : MouseEventInit (source) Properties JS 1.1 deltaMode open var deltaMode : Int ? JS 1.1 deltaX open var deltaX : Double ? JS 1.1 deltaY open var deltaY : Double ? JS 1.1 deltaZ open var deltaZ : Double ?