This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The scale read-only property of the VisualViewport interface returns the pinch-zoom scaling factor applied to the visual viewport.
var scale = VisualViewport.scale
A double.
| Specification | Status | Comment |
|---|---|---|
| Visual Viewport API The definition of 'scale' in that specification. | Draft | Initial definition. |
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | 60 | ? | ? | 47 | ? |
| Feature | Android Webview | Chrome for Android | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|---|
| Basic support | 60 | 60 | ? | ? | ? | 47 | ? |
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https://developer.mozilla.org/en-US/docs/Web/API/VisualViewport/scale