Building an HTTP server from scratch in JavaScript, part 2 — Sending a response

📰 Medium · JavaScript

Learn to send a response from a custom HTTP server built from scratch in JavaScript

intermediate Published 13 Jun 2026
Action Steps
  1. Build a TCP socket to establish a connection
  2. Create a buffer to store incoming data
  3. Parse the HTTP request to determine the response
  4. Send a response back to the client using the TCP socket
  5. Test the server with a tool like curl or a web browser
Who Needs to Know This

Backend developers and software engineers can benefit from this tutorial to understand the underlying mechanics of HTTP servers and improve their skills in building custom server applications.

Key Insight

💡 Sending a response from a custom HTTP server involves parsing the HTTP request, determining the response, and sending it back to the client using a TCP socket.

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🚀 Build a custom HTTP server from scratch in JavaScript! 📄 Learn how to send a response and improve your backend skills. #javascript #httpserver

Key Takeaways

Learn to send a response from a custom HTTP server built from scratch in JavaScript

Full Article

In the previous part we built the front half of an HTTP server: a TCP socket, a buffer that survives across data events, and a state… Continue reading on Medium »
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