web api instance property
TaskAttributionTiming: containerId property
Limited availability
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
SpecificationsStandards references are available on the canonical MDN page.
Browser compatibility
Browser compatibilityCompatibility data is available on the canonical MDN page.