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 readonly 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

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