JavaScript: Understanding the Weird Parts - The First 3.5 Hours
Overview
The first 3.5 hours of Tony Alicea's Udemy course on JavaScript's inner workings, covering topics such as first-class functions, closures, prototypal inheritance and how the language behaves under the hood.
On Hacker News
HN commenters call it one of the best JavaScript courses: rigorous and deep but not boring, and freely available.
Topics
Sources
Video by Tony Alicea, played through YouTube.
Data and selection notes
HN summaries and labels may contain AI errors. HN dates refer to discussions, not video publication.
HN Library: HackerTube export (2026-10-31) and open-index/hacker-news. Upstream summaries and classifications may contain AI errors.
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Selection checks
- SaaS & AI candidates: Topic keywords do not match
- Editor-approved picks: Editorial review is required
What people said