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React DevTools

Posted in Education

React DevTools is a browser extension that allows you to inspect and debug React applications. It’s a must-have tool for any React developer.

To use React DevTools, follow these steps:

  1. Install the React DevTools browser extension: React DevTools is available for Chrome, Firefox, and Edge. You can download it from the Chrome Web Store, Firefox Add-ons, or the Edge Add-ons store.
  2. Open your React application in the browser: Open your React application in a new tab in the browser.
  3. Open the React DevTools panel: To open the React DevTools panel, right-click on the page and select “Inspect” or press the F12 key to open the Developer Tools. Then, click on the “React” tab in the Developer Tools panel.
  4. Inspect the component hierarchy: The React DevTools panel allows you to inspect the component hierarchy of your React application. You can see the parent-child relationships between components, as well as the props and state of each component.
  5. Inspect the component props and state: To inspect the props and state of a component, click on the component in the component hierarchy. This will show you the props and state of the component in the panel to the right.
  6. Debug performance issues: The React DevTools panel also allows you to debug performance issues in your React application. You can see how long each component takes to render, as well as other performance metrics.

Using React DevTools can help you understand and debug your React application more easily. Make sure to install it and use it regularly in your development workflow.

Happy Learning!

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