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Preact notes for developers

Master Preact with a curated set of 2 developer notes — core concepts, patterns, and interview prep. Maintained by the DevRecall team.

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01 · Preact

Preact Fundamentals: Bundle Size, JSX & Hooks

Preact: Bundle Size, JSX & Hooks. Preact is a fast, lightweight alternative to React with a nearly identical API -- same JSX, same hooks, same component model -- but a dramatically smaller runtime (roughly 3-4KB gzipped)…

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02 · Preact

Preact: preact/compat, Trade-offs & Migration

Preact: preact/compat, Trade-offs & Migration. preact/compat. preact/compat is a compatibility layer letting many existing React libraries/components run on Preact's core with minimal or no changes -- shims React-specifi…

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Apr 2, 2026
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