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PerformanceObserver

на сайте с 13 сентября 2022, 19:44
The PerformanceObserver interface is used to observe performance measurement events and be notified of new performance entries as they are recorded in the browser's performance timeline.
  • https://developer.mozilla.org/docs/Web/API/PerformanceObserver
  • https://developer.mozilla.org/en-US/docs/Web/API/PerformanceObserver

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