The takeRecords method returns a copy of the performance entries in the PerformanceObserver’s buffer, and also clears this buffer. This aligns PerformanceObserver with other *Observer implementations, like MutationObserver and IntersectionObservers, which have similar methods.

Specification

Editor's draft

Status in Chromium

Blink>PerformanceAPIs


Enabled by default (tracking bug) in:

  • Chrome for desktop release 65
  • Chrome for Android release 65

Consensus & Standardization

After a feature ships in Chrome, the values listed here are not guaranteed to be up to date.

Owners

Last updated on 2020-11-09