Web platform features explorer

Scheduler API

The scheduler API provides a way to prioritize all tasks belonging to an application.

Status

Limited availability

MDN documentation

Specifications

Browser support

  • Chrome 129 Released on 2024-09-17
  • Chrome Android 129 Released on 2024-09-17
  • Edge 129 Released on 2024-09-19
  • Firefox 142 Released on 2025-08-19
  • Firefox for Android 142 Released on 2025-08-19
  • Safari ❌
  • Safari on iOS ❌

Baseline availability blocked since August 2025 by Safari (6 months)

Surveys

Usage (according to Chrome Platform Status)

~9.550% of page loads. More data at chromestatus.com.

Web Platform Tests (WPT)

View the latest WPT test results for this feature

Developer votes

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