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I CODE TODAY FOR
A BETTER TOMORROW

Glossary Term

Long task

3 tags 1 category

A long task is a task that takes more than 50ms to complete.

It is an uninterrupted period where the main UI thread is busy for 50 ms or longer. Common examples include long-running event handlers, expensive reflows and other re-renders, and work the browser does between different turns of the event loop that exceeds 50 ms.

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