WorkerGlobalScope: performance property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2015.

Note: This feature is only available in Web Workers.

The performance property of the WorkerGlobalScope interface returns a Performance object, which can be used to gather performance information about code running in the worker's scope.

Performance entries are per context. If you create a mark on a worker thread, you will not see it in the main thread or any other workers.

Note that only the following performance interfaces are available in worker contexts:

Value

A Performance object offering access to performance and timing-related information for the context it is called on.

Specifications

Specification
High Resolution Time
# the-performance-attribute

Browser compatibility

BCD tables only load in the browser

See also