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Long Tasks API

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

Concepts and Usage

TBD

Interfaces

PerformanceLongTaskTiming
Reports instances of long tasks.
TaskAttributionTiming
Returns information about the work involved in a long task and its associate frame context.

Specifications

Specification Status Comment
Long Tasks API 1 Editor's Draft Initial definition.

Browser Compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 58 ? ? ? ?
Feature Android Webview Chrome for Android Firefox Mobile (Gecko) Firefox OS IE Mobile Opera Mobile Safari Mobile
Basic support 58 58 ? ? ? ? ?

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https://developer.mozilla.org/en-US/docs/Web/API/Long_Tasks_API