---
title: "Discussion on \"queueMicroTask in JavaScript\" | Hashnode"
description: "Discussion on \"queueMicroTask in JavaScript\". In this article, we analyze queueMicroTask function in React source codeReact uses queueMicroTask in a file named ReactAct.js. This is a public API, act.\nact is a test helper to apply pending React updates before making assertions.\nawait act(async ac..."
url: "https://hashnode.com/posts/queuemicrotask-in-javascript/66fc613e278743d656ef15f8"
---

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# [queueMicroTask in JavaScript](https://thinkthroo.com/blog/queuemicrotask-in-javascript?utm_source=hashnode&utm_medium=feed)

In this article, we analyze queueMicroTask function in React source codeReact uses queueMicroTask in a file named ReactAct.js. This is a public API, act. act is a test helper to apply pending React updates before making assertions. await act(async ac...

Oct 1, 2024 · 3 min read · thinkthroo.com  
Updated Apr 3, 2025  
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-   [#reactjs](https://hashnode.com/tag/reactjs)

## Written by

[Ramu Narasinga](https://hashnode.com/@ramunarasinga)

@ramunarasinga · India

  
[View profile](https://hashnode.com/@ramunarasinga)

I study large open-source projects and create content about their codebase architecture and best practices, sharing it through articles, videos.

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