Node Underground
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Node Underground

No language is immortal—Node.js isn’t either—but thoughtful reflection is priceless. This underground community for Node.js enthusiasts was started by Taobao’s Front‑End Team (FED) to share our original insights and viewpoints from working with Node.js. Follow us. BTW, we’re hiring.

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Latest from Node Underground

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Node Underground
Node Underground
Oct 13, 2022 · Cloud Native

How Noslate Boosts JavaScript Performance for Cloud‑Native Serverless Apps

Noslate is an open‑source, cloud‑native suite comprising a custom Node.js distribution, the lightweight Aworker runtime with Warmfork and Startup Snapshot technologies, all designed to dramatically reduce cold‑start latency and improve JavaScript task elasticity in serverless environments.

Node.jsRuntimecloud-native
0 likes · 16 min read
How Noslate Boosts JavaScript Performance for Cloud‑Native Serverless Apps
Node Underground
Node Underground
Sep 26, 2022 · Backend Development

Mastering Node.js: Architecture, APIs, and the Event Loop Explained

This comprehensive guide explores Node.js’s architecture, core APIs, global variables, built‑in modules, function styles, the event‑loop mechanics, task scheduling, next‑tick and microtasks, libuv’s role, and strategies for off‑loading work, providing developers with a deep understanding of how Node.js runs JavaScript efficiently.

Asynchronous ProgrammingEvent LoopNode.js
0 likes · 23 min read
Mastering Node.js: Architecture, APIs, and the Event Loop Explained
Node Underground
Node Underground
Aug 15, 2022 · Backend Development

Boost Node.js Performance with Worker Threads: A Hands‑On Guide

Node.js runs JavaScript on a single thread, limiting CPU‑intensive tasks, but the worker‑threads module enables developers to spawn hidden threads, offload heavy computations, and prevent main‑thread blocking, with a practical example showing how to parallelize a CPU‑bound task across multiple workers.

CPU-intensiveNode.jsmultithreading
0 likes · 4 min read
Boost Node.js Performance with Worker Threads: A Hands‑On Guide
Node Underground
Node Underground
Apr 22, 2022 · Backend Development

Why Web Frameworks May Not Be the Answer for Simple APIs

The author argues that for straightforward API or server‑side rendering tasks, using minimal or no web framework—illustrated with Deno Deploy examples—reduces overhead, mental load, and premature optimization, while still enabling scalable, maintainable services.

Deno DeployWeb Frameworksbackend development
0 likes · 8 min read
Why Web Frameworks May Not Be the Answer for Simple APIs
Node Underground
Node Underground
Mar 16, 2022 · Operations

Control Docker Daemon Efficiently with Node.js

This tutorial explains how to use Node.js—via child processes, HTTP requests, or the Dockerode SDK—to create, manage, and interact with Docker containers, offering code examples and practical tips for efficient daemon communication.

CLIContainer ManagementDocker
0 likes · 7 min read
Control Docker Daemon Efficiently with Node.js
Node Underground
Node Underground
Feb 18, 2022 · Backend Development

Boost Node.js Serverless Cold Starts 150% Faster with Alinode PGO

Alinode PGO leverages profile‑guided optimization to generate a cache of hot startup code for Node.js functions, cutting cold‑start latency by up to 61% (150% speed‑up) and allowing further reductions by launching solely from the PGO cache, as demonstrated with real‑world benchmarks.

Node.jsPGOPerformance optimization
0 likes · 4 min read
Boost Node.js Serverless Cold Starts 150% Faster with Alinode PGO