1. Web
  2. Web APIs
  3. TaskAttributionTiming
  4. containerId

TaskAttributionTiming: containerId property

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

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

The containerId read-only property of the TaskAttributionTiming interface returns the container's id attribute. A container is the iframe, embed or object etc. that is being implicated, on the whole, for a long task.

Value

A string containing the container's id HTML content attribute.

Specifications

Specification
Long Tasks API
# dom-taskattributiontiming-containerid

Browser compatibility

Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
containerId
Experimental
Chrome – Full support
Chrome 58 (Release date: 2017-04-19)
footnote Full support
Edge – Full support
Edge 79 (Release date: 2020-01-15)
footnote Full support
Firefox – No support
Firefox
footnote No support
Opera – Full support
Opera 45 (Release date: 2017-05-10)
footnote Full support
Safari – No support
Safari
footnote No support
Chrome Android – Full support
Chrome Android 58 (Release date: 2017-04-25)
footnote Full support
Firefox for Android – No support
Firefox for Android
footnote No support
Opera Android – Full support
Opera Android 43 (Release date: 2017-09-27)
footnote Full support
Safari on iOS – No support
Safari on iOS
footnote No support
Samsung Internet – Full support
Samsung Internet 7 (Release date: 2018-03-16)
footnote Full support
WebView Android – Full support
WebView Android 58 (Release date: 2017-04-25)
footnote Full support
WebView on iOS – No support
WebView on iOS
footnote No support

Tip: you can click/tap on a cell for more information.

Full support
No support
Experimental. Expect behavior to change in the future.

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