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Which among these is a property that reports rotation of mouse wheel axes?

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+1 vote
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in JavaScript by (52.2k points)
Which among these is a property that reports rotation of mouse wheel axes?

(a) ctrlKey

(b) alterX

(c) alterY

(d) deltaX

I had been asked this question during a job interview.

My question is taken from Drag and Drop Events in chapter Document Object Model and Event Handling in Javascript of JavaScript

1 Answer

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Best answer
The correct choice is (d) deltaX

Explanation: A handler for a wheel event receives an event object with all the usual mouse event properties, and also deltaX, deltaY, and deltaZ properties that report rotation around three different mouse wheel axes.

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