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
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