Articles for people who
ship the stack
Rewrites on React, Node.js, TypeScript and AI. A translated body is shown when it exists. If it does not, you see the English text and a note that says so.
Tagged: Event Loop
Explaining Browser JavaScript in Interviews: Queues, Heap, Leaks, Closures
A structured tour of the browser runtime for interview prep: call stack, task and microtask queues, heap and garbage collection, leaks, delegation, prototypes and closures.
10 min readNode.js and Express Interview Prep: 70 Questions With Precise Answers
A structured review of 70 Node.js and Express interview questions, from the event loop and streams to middleware, security and scaling, with corrections to common answers.
21 min readHow JavaScript Runs Your Code: Stack, Heap, Event Loop and Generators
A guided tour of the JavaScript runtime: call stack and frames, heap references, the Node.js event loop, the DOM, callbacks, promises, async/await and generators.
13 min readFrom Working Script to Production Node.js API: Event Loop, Worker Threads, Logging
How the event loop, blocking work, worker threads, timeouts, concurrency, structured logs and database access shape a Node.js API that holds up in production.
11 min readReact's Scheduler and the Event Loop: Who Really Decides When Work Runs
See how React's cooperative Scheduler runs inside the JavaScript event loop, why transitions can yield, and why no scheduler can rescue a blocked thread.
13 min readJavaScript's Single Thread vs. the Browser's Multi-Process Engine
JavaScript has one main thread, yet the browser runs networking, rendering and timers at once. How the event loop gives you concurrency without threads.
7 min readUnderstanding JavaScript Closures and the Event Loop
JavaScript closures keep outer variables alive; the event loop orders the call stack, microtasks and macrotasks. Both explained with runnable code examples.
16 min readHow process.nextTick() Silently Starves the Node.js Event Loop
Recursive process.nextTick() calls never let libuv reach the poll phase, so the Node.js event loop starves. How to spot it and fix it with setImmediate().
7 min read
About these articles
Request a 24h estimate
Need the same stack in a production operator layer? Send the brief — estimate within 24 hours.