Understanding React Rendering Flow
The article explains the internal rendering flow of React components. It outlines the steps from writing components to the browser displaying the updated UI. Understanding this process can help developers write better components and optimize performance.
- ▪React components are JavaScript functions that return UI, typically using JSX.
- ▪JSX is transformed into React Elements, which are lightweight JavaScript objects representing the UI.
- ▪React uses a Virtual DOM to efficiently update only the changed parts of the Real DOM, improving performance.
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try { if(localStorage) { let currentUser = localStorage.getItem('current_user'); if (currentUser) { currentUser = JSON.parse(currentUser); if (currentUser.id === 3907684) { document.getElementById('article-show-container').classList.add('current-user-is-article-author'); } } } } catch (e) { console.error(e); } kavin.dev Posted on May 27 Understanding React Rendering Flow #react #webdev #javascript #reactjsdevelopment ⚛️ If you're learning React, one of the most important concepts is understanding what happens internally when a component renders. At first, React can feel magical. You write JSX… and somehow the UI updates automatically. But behind the scenes, React follows a very systematic rendering flow.
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