Is there a non-hacky way to prevent pinch zoom on iOS 11.3 Safari?

Question

I really want to disable pinch to zoom on my webpages (iframes) and use finger pinching events for another custom interaction. So while Apple in their documentation

Answer 1

You can use touch-action: none on the html, body selector: https://developer.mozilla.org/en-US/docs/Web/CSS/touch-action#none

https://github.com/msand/InfiniDraw/commit/b96aac5f8313f56da7be6f9e9f24648ab02fc444