---
title: "Discussion on \"How to Fix CORS Errors in Your Frontend App Using a Proxy Server\" | Hashnode"
description: "Discussion on \"How to Fix CORS Errors in Your Frontend App Using a Proxy Server\". Learn why browsers block cross-origin requests and how to fix the Failed to Fetch CORS error using a Node.js proxy server. Includes a working demo."
url: "https://hashnode.com/posts/how-to-fix-cors-errors-in-your-frontend-app-using-a-proxy-server/69c3a64f8a263e79cb141a8b"
---

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# [How to Fix CORS Errors in Your Frontend App Using a Proxy Server](https://0xdezman.hashnode.dev/how-to-fix-cors-errors-in-your-frontend-app-using-a-proxy-server?utm_source=hashnode&utm_medium=feed)

Learn why browsers block cross-origin requests and how to fix the Failed to Fetch CORS error using a Node.js proxy server. Includes a working demo.

Mar 25 · 8 min read · 0xdezman.hashnode.dev  
Updated Mar 27  
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-   [#javascript](https://hashnode.com/tag/javascript)
-   [#cors](https://hashnode.com/tag/cors)
-   [#nodejs](https://hashnode.com/tag/nodejs)
-   [#webdev](https://hashnode.com/tag/webdev)
-   [#frontend-development](https://hashnode.com/tag/frontend-development)

## Written by

[Abdulganiy Adeleke](https://hashnode.com/@0xDezman)

@0xDezman · Lagos, Nigeria

  
[View profile](https://hashnode.com/@0xDezman)

swe & technical writer

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