WheelEvent.deltaY is much lower than in Chromium
Categories
(Core :: DOM: UI Events & Focus Handling, defect)
Tracking
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People
(Reporter: zdanevich.vitaly, Unassigned)
Details
Check this page (Example block) in Firefox and Chromium https://developer.mozilla.org/en-US/docs/Web/API/Element/wheel_event#Examples
For consistency with Chromium (for simpler frontend web development) please adjust your deltaY value. Because now in my JS I will need to check useragent and multiply deltaY to 10 in Firefox. I cannot use scroll event because my node does not has natural scrolling. I use WheelEvent.deltaY to implement custom scrolling.
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Comment 1•5 years ago
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Moving over to the correct component.
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Comment 2•5 years ago
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I guess WheelEvent.deltaMode is not DOM_DELTA_PIXEL in Firefox.
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Comment 3•5 years ago
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Yes, it is. Once we do use DOM_DELTA_PIXEL, web apps cannot know raw delta value without new API.
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Comment 4•5 years ago
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FYI: Accessing without deltaMode check bans your app users even they use Chrome.
https://github.com/w3c/uievents/issues/181#issuecomment-392648065
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Comment 5•5 years ago
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Since the example is in our document, I think we should update the example so that it takes into account deltaMode.
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Reporter | |
Comment 6•5 years ago
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Thank you for deltaMode, this is new information for me.
Description
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