How we built it

Long Task API

A performance API to enable applications to detect presence of “long tasks” that monopolize the UI thread for extended periods of time and block other critical tasks from being executed - e.g. reacting to user input.

Comments

Notes from TPAC discussion: https://docs.google.com/document/d/1RigHs7a4yRcVUt4fPswOZLKY_-tDlPiz8hPokBixHEk/edit#heading=h.mwr9aubzxuqt

Documentation

Specification

Editor's draft

Status in Chromium

Behind a flag (launch bug) in:

  • Chrome for desktop release 55
  • Chrome for Android release 55
  • Chrome for iOS release 55
  • Android WebView release 55
  • Opera release 42
  • Opera for Android release 42

Consensus & Standardization

Owners

Last updated on 2017-02-03