7 min read
JavaScript Array Methods: The Hidden Cost
Chained array methods allocate intermediate arrays on every call. See where the cost flips, how to measure it, and when a plain loop wins.
javascriptperformanceevent loop
Back to blog
Topic · 3 posts
event loop
7 min read
JavaScript Async Await: Patterns and Pitfalls
A practical guide to JavaScript async await: how it maps to the event loop, sequential versus parallel execution, error handling, and the mistakes that cause
async awaitpromiseserror handling
6 min read
JavaScript Event Loop: Blocking vs Non-Blocking
How the JavaScript event loop turns single-threaded code into non-blocking I/O, where microtasks and macrotasks differ, and the exact patterns that still
javascriptevent loopasync