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

The height read-only property of the VisualViewport interface returns the height of the visual viewport in CSS pixels.


var height = VisualViewport.height


A double.


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

Browser Compatibility

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 ?

Document Tags and Contributors

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