---
title: "Discussion on \"The Express pattern that removes try-catch from every controller.\" | Hashnode"
description: "Discussion on \"The Express pattern that removes try-catch from every controller.\". Learn what `asyncHandler` is in Express.js, how it works, and why it replaces repetitive `try-catch` blocks in your controllers."
url: "https://hashnode.com/posts/the-express-pattern-that-removes-try-catch-from-every-controller/6a6a471433aa04bf5632a05b"
---

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# [The Express pattern that removes try-catch from every controller.](https://sarkarshouvik.hashnode.dev/the-express-pattern-that-removes-try-catch-from-every-controller?utm_source=hashnode&utm_medium=feed)

Learn what \`asyncHandler\` is in Express.js, how it works, and why it replaces repetitive \`try-catch\` blocks in your controllers.

Jul 29 · 9 min read · sarkarshouvik.hashnode.dev  
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## Written by

[shouvik sarkar](https://hashnode.com/@shouvik112)

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Learning and enjoying coding

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