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

The size read-only property of the StylePropertyMapReadOnly interface returns an unsinged long integer containing the size of the StylePropertyMapReadOnly object.


var size = StylePropertyMapReadOnly.size


An unsigned long integer.


// TBD


Specification Status Comment
CSS Typed OM Level 1
The definition of 'size' in that specification.
Working Draft Initial definition.

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support66 No No No53 No
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support6666 No No53 No ?

Document Tags and Contributors

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