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Wheel event momentum #688

Description

@mustaqahmed

WebKittens

@annevk

Title of the proposal

Wheel event momentum

URL to the spec

https://w3c.github.io/pointerevents/#dom-wheelevent-momentum

URL to the spec's repository

https://github.com/w3c/pointerevents/

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No response

Explainer URL

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TAG Design Review URL

No response

Mozilla standards-positions issue URL

mozilla/standards-positions#1425

WebKit Bugzilla URL

No response

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No response

Description

The wheel events on many native platforms simulate scrolling inertia: the events continue to fire for a while after the user has lifted the finger from the trackpad after a fling interaction. This feature exposes a momentum attribute in wheel events which is true only for those simulated events, differentiating them from the events fired during the physical scroll interaction. This lets web developers ignore fling events or customize rich fling effects.

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