{
 "compat_features": [
  "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"
 ],
 "description": "The scheduler API provides a way to prioritize all tasks belonging to an application.",
 "description_html": "The <code>scheduler</code> API provides a way to prioritize all tasks belonging to an application.",
 "kind": "feature",
 "name": "Scheduler API",
 "spec": [
  "https://wicg.github.io/scheduling-apis/"
 ],
 "status": {
  "baseline": false,
  "by_compat_key": {
   "api.Scheduler": {
    "baseline": false,
    "support": {
     "chrome": "94",
     "chrome_android": "94",
     "edge": "94",
     "firefox": "142",
     "firefox_android": "142"
    }
   },
   "api.Scheduler.postTask": {
    "baseline": false,
    "support": {
     "chrome": "94",
     "chrome_android": "94",
     "edge": "94",
     "firefox": "142",
     "firefox_android": "142"
    }
   },
   "api.Scheduler.yield": {
    "baseline": false,
    "support": {
     "chrome": "129",
     "chrome_android": "129",
     "edge": "129",
     "firefox": "142",
     "firefox_android": "142"
    }
   },
   "api.TaskController": {
    "baseline": false,
    "support": {
     "chrome": "94",
     "chrome_android": "94",
     "edge": "94",
     "firefox": "142",
     "firefox_android": "142"
    }
   },
   "api.TaskController.TaskController": {
    "baseline": false,
    "support": {
     "chrome": "94",
     "chrome_android": "94",
     "edge": "94",
     "firefox": "142",
     "firefox_android": "142"
    }
   },
   "api.TaskController.setPriority": {
    "baseline": false,
    "support": {
     "chrome": "94",
     "chrome_android": "94",
     "edge": "94",
     "firefox": "142",
     "firefox_android": "142"
    }
   },
   "api.TaskPriorityChangeEvent": {
    "baseline": false,
    "support": {
     "chrome": "94",
     "chrome_android": "94",
     "edge": "94",
     "firefox": "142",
     "firefox_android": "142"
    }
   },
   "api.TaskPriorityChangeEvent.TaskPriorityChangeEvent": {
    "baseline": false,
    "support": {
     "chrome": "94",
     "chrome_android": "94",
     "edge": "94",
     "firefox": "142",
     "firefox_android": "142"
    }
   },
   "api.TaskPriorityChangeEvent.previousPriority": {
    "baseline": false,
    "support": {
     "chrome": "94",
     "chrome_android": "94",
     "edge": "94",
     "firefox": "142",
     "firefox_android": "142"
    }
   },
   "api.TaskSignal": {
    "baseline": false,
    "support": {
     "chrome": "94",
     "chrome_android": "94",
     "edge": "94",
     "firefox": "142",
     "firefox_android": "142"
    }
   },
   "api.TaskSignal.any_static": {
    "baseline": false,
    "support": {
     "chrome": "116",
     "chrome_android": "116",
     "edge": "116",
     "firefox": "142",
     "firefox_android": "142"
    }
   },
   "api.TaskSignal.priority": {
    "baseline": false,
    "support": {
     "chrome": "94",
     "chrome_android": "94",
     "edge": "94",
     "firefox": "142",
     "firefox_android": "142"
    }
   },
   "api.TaskSignal.prioritychange_event": {
    "baseline": false,
    "support": {
     "chrome": "94",
     "chrome_android": "94",
     "edge": "94",
     "firefox": "142",
     "firefox_android": "142"
    }
   },
   "api.scheduler": {
    "baseline": false,
    "support": {
     "chrome": "94",
     "chrome_android": "94",
     "edge": "94",
     "firefox": "142",
     "firefox_android": "142"
    }
   }
  },
  "support": {
   "chrome": "129",
   "chrome_android": "129",
   "edge": "129",
   "firefox": "142",
   "firefox_android": "142"
  }
 },
 "id": "scheduler",
 "groups": [],
 "specs": [
  {
   "url": "https://wicg.github.io/scheduling-apis/",
   "seriesComposition": "full",
   "shortname": "scheduling-apis",
   "series": {
    "shortname": "scheduling-apis",
    "currentSpecification": "scheduling-apis",
    "title": "Prioritized Task Scheduling",
    "shortTitle": "Prioritized Task Scheduling",
    "nightlyUrl": "https://wicg.github.io/scheduling-apis/"
   },
   "organization": "W3C",
   "groups": [
    {
     "name": "Web Platform Incubator Community Group",
     "url": "https://www.w3.org/community/wicg/"
    }
   ],
   "nightly": {
    "url": "https://wicg.github.io/scheduling-apis/",
    "status": "Draft Community Group Report",
    "alternateUrls": [],
    "repository": "https://github.com/WICG/scheduling-apis",
    "sourcePath": "spec/index.bs",
    "filename": "index.html"
   },
   "title": "Prioritized Task Scheduling",
   "source": "spec",
   "shortTitle": "Prioritized Task Scheduling",
   "categories": [
    "browser"
   ],
   "standing": "good",
   "tests": {
    "repository": "https://github.com/web-platform-tests/wpt",
    "testPaths": [
     "scheduler"
    ]
   },
   "fragment": null
  }
 ],
 "mdnUrls": [
  {
   "slug": "Web/API/Prioritized_Task_Scheduling_API",
   "title": "Prioritized Task Scheduling API",
   "anchor": null,
   "url": "https://developer.mozilla.org/docs/Web/API/Prioritized_Task_Scheduling_API"
  }
 ],
 "standardPositions": [
  {
   "vendor": "mozilla",
   "url": "https://github.com/mozilla/standards-positions/issues/546",
   "position": "positive",
   "concerns": []
  }
 ],
 "hasNegativeStandardPosition": false,
 "stateOfSurveys": [
  {
   "name": "State of JS 2025",
   "url": "https://2025.stateofjs.com/en-US/features/#browser_api_features",
   "question": "features",
   "subQuestion": "browser_api_features",
   "path": "dataAPI.surveys.state_of_js.js2025.features.browser_api_features.combined.allEditions.1.buckets.14.entity"
  }
 ],
 "chromeUseCounters": {
  "percentageOfPageLoad": 0.12659655,
  "url": "https://chromestatus.com/metrics/webfeature/timeline/popularity/118"
 },
 "interop": [],
 "wpt": {
  "url": "https://wpt.fyi/results?q=feature:scheduler"
 },
 "developerSignals": {
  "url": "https://github.com/web-platform-dx/developer-signals/issues/254",
  "votes": 14
 },
 "bugs": {
  "chrome": [
   "https://bugs.chromium.org/p/chromium/issues/detail?id=979020",
   "https://bugs.chromium.org/p/chromium/issues/detail?id=979017"
  ]
 },
 "baselineLowDateAsObject": null,
 "baselineHighDateAsObject": null,
 "blockedOn": "Safari",
 "monthsBlocked": 10,
 "blockedSince": "August 2025"
}