Engineering notes
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: Reconciliation
Inside React Fiber: Units of Work, Render vs Commit, and Priority Lanes
Learn what React Fiber actually is, why the old stack reconciler blocked the main thread, and how units of work, two phases and lanes enable concurrent rendering.
15 min readVirtual DOM Diffing Demystified: What React Compares and Why It Pays
Understand what React's Virtual DOM really is, how reconciliation diffs two element trees, what the commit phase changes, and where the performance benefit comes from.
4 min read
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Yes. Each piece is an original English rewrite prepared for this site. Structure and code examples follow the source material; prose is rewritten and checked for overlap before export.
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