React Render vs Commit: How React Updates the DOM Explained | GenZJavaScript ⚙️ 27 November 2025

Описание: Dive into the true lifecycle of a React Component! In this essential GenZJavaScript tutorial, we break down the two main phases React uses to update the UI: Render and Commit. 🚀

Based on the official React documentation, this video clearly explains what happens behind the scenes when state or props change. You will learn:

The Render Phase: When React calls your components and calculates the new output (diffing).

The Commit Phase: When React modifies the actual browser DOM.

The role of the Virtual DOM in this process.

How to reason about performance issues related to rendering.

Best practices to minimize unnecessary re-renders.

Mastering these concepts will help you write faster, more predictable React applications!

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