HTML DOM WheelEvent

WheelEvent 对象

WheelEvent 对象处理鼠标滚轮滚动时发生的事件。

Event	Occurs When
onwheel	The mouse wheel rolls over an element

Property	Returns
deltaX	The horizontal (x-axis) scroll amount of the wheel
deltaY	The vertical (y-axis) scroll amount of the wheel
deltaZ	The z-axis scroll amount of the wheel
deltaMode	The unit of measurements (pixels, lines or pages)

WheelEvent 继承了以下所有属性和方法：