CodeNotes
May 27, 2026 · Frontend Development
Understanding Reflow and Repaint: The Core Logic Behind Front‑End Performance Optimization
Reflow recalculates layout when geometric properties change, while repaint only redraws visual styles; the article explains their triggers, compares performance impact, and provides practical techniques—such as using DocumentFragment, batching reads before writes, and leveraging transform/opacity—to minimize costly reflows and achieve optimal front‑end rendering.
DOMPerformancebrowser rendering
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