This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The offsetTop read-only property of the VisualViewport interface returns the offset of the top edge of the visual viewport from the top edge of the layout viewport in CSS pixels.


var offsetTop = VisualViewport.offsetTop


A double.


Specification Status Comment
Visual Viewport API
The definition of 'offsetTop' in that specification.
Draft Initial definition.

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support61 No No No48 No
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support6161 No No48 No ?

Document Tags and Contributors

Contributors to this page: connorshea, jpmedley
Last updated by: connorshea,