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React TutorialEpisode 9

React Dev Tools

Install and use React Developer Tools to inspect components and state in the browser.

React Developer Tools is a browser extension for debugging React apps.

Installation

Install from the Chrome Web Store or Firefox Add-ons. Once installed, you will see two new tabs in DevTools: Components and Profiler.

Components Tab

  • View the component tree hierarchy
  • Inspect props and state for each component
  • Edit state values in real-time
  • See which component rendered each DOM element

Why Use It?

React Dev Tools makes it easy to understand your component structure, debug state issues, and optimize performance. It is an essential tool for every React developer.