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

The TaskAttributionTiming interface of the the Long Tasks API returns information about the work involved in a long task and its associate frame context. The frame context, also called the container is the iframe, embed or object etc. that is being implicated, on the whole, for a long task.


TaskAttributionTiming.containerType Read only
Returns the type of frame container, one of iframe, embed, or object.
TaskAttributionTiming.containerSrc Read only
Returns the container's src attribute.
TaskAttributionTiming.containerId Read only
Returns the container's id attribute.
TaskAttributionTiming.containerName Read only
Returns the container's Name attribute.


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

Browser Compatibility

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 58 ? ? ? ?
Feature Android Webview Chrome for Android Firefox Mobile (Gecko) Firefox OS IE Mobile Opera Mobile Safari Mobile
Basic support 58 58 ? ? ? ? ?

Document Tags and Contributors

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