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

The attribution readonly property of the PerformanceLongTaskTiming interface returns a sequence of TaskAttributionTiming instances.


var taskAttributeTiming = PerformanceLongTaskTiming.attribution;


A sequence of TaskAttributionTiming instances.


Specification Status Comment
Long Tasks API 1
The definition of 'attribution' in that specification.
Working Draft Initial definition.

Browser Compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support58 ? ? ? ? ?
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support5858 ? ? ? ? ?

Document Tags and Contributors

Contributors to this page: ExE-Boss, jpmedley
Last updated by: ExE-Boss,