VisualViewport: scale property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since ⁨August 2021⁩.

The scale read-only property of the VisualViewport interface returns the pinch-zoom scaling factor applied to the visual viewport, or 0 if current document is not fully active, or 1 if there is no output device.