Beike Product & Technology
Dec 10, 2021 · Frontend Development
Understanding React 16 Architecture: Scheduler, Reconciler, Renderer, Fiber, and the Render & Commit Phases
This article explains React 16's three‑layer architecture—Scheduler, Reconciler, and Renderer—introduces fiber nodes and trees, and details how the render and commit phases process updates using beginWork, completeWork, effect lists, and three‑step DOM mutation.
Commit PhaseFiberReact
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