BASELINE NowYouCanUse.com
Limited Availability

Scheduler API

The scheduler API provides a way to prioritize all tasks belonging to an application.
Baseline Status: This feature is currently Limited (not yet Baseline). Latest engine implementation shipped on Aug 19, 2025.
Desktop Browser Engine Support
Google Chrome
129
Supported
Mozilla Firefox
142
Supported
Apple Safari
—
Unsupported
Microsoft Edge
129
Supported
Mobile Browser Engine Support
Chrome Android
129
Firefox Android
142
Safari iOS
—
Specifications and References
Specification ↗ Feature XML ↗
MDN Browser Compat Data Keys:
api.Scheduler ↗ api.Scheduler.postTask ↗ api.Scheduler.yield ↗ api.TaskController ↗ api.TaskController.TaskController ↗ api.TaskController.setPriority ↗ api.TaskPriorityChangeEvent ↗ api.TaskPriorityChangeEvent.TaskPriorityChangeEvent ↗ api.TaskPriorityChangeEvent.previousPriority ↗ api.TaskSignal ↗ api.TaskSignal.any_static ↗ api.TaskSignal.priority ↗ api.TaskSignal.prioritychange_event ↗ api.scheduler ↗
id: scheduler