Mozilla followed up with parity and landed the support in Firefox 55.Īs explained by Rick Byers in the this Chrome issue: The spec has an example that says: The Chrome team had a discussion about this back in January 2014, and the adaption landed in Chrome M35 as per documented in this bug.
So I started exploring this a few months ago and this weekend I stumbled upon this bug, 1052253 - OS X: Pinch to zoom gesture should map to mousewheel with the control key, like Chrome, in the Mozilla bug tracker and that finally made things click.Īpparently Microsoft with IE10 was the pioneers here, as they enabled pinch-to-zoom gestures from multi-touch trackpad’s to be surfaced as mousewheelevent with the ctrlmodifier set to true.
For a long time I have wondered how Google Maps and Figma have been able to support pinch-to-zoom multi-touch gestures from my trackpad on my Macbook, when there’s no special trackpad JavaScript events exposed.
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