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.

We’d love to hear your thoughts on the next set of proposals for the JavaScript language. You can find a description of the proposals here.
Please take two minutes to fill out our short survey.

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

See also