Modifying state directly instead of using setState()
In React class components, you should never modify state directly by assigning to this.state. Here’s why and how to do it properly: Why Direct Mutation is Bad The Correct Way:….
Tag: React error
Forgetting to use React Fragments (<>…)
When you need to return multiple elements in JSX without adding an extra DOM node, React Fragments (<>…</>) are the perfect solution. Here’s how to properly use them: The Problem….
Missing dependencies – ReactDOM is not defined
This error occurs when ReactDOM isn’t properly imported or available in your project. Here’s how to resolve it: Standard Solutions 1. Correct Import Syntax (React 18+) 2. Legacy Import Syntax….
Module not found – Cannot find module ‘react’
This common React error occurs when your project can’t locate the React dependencies. Here’s how to systematically resolve it: Primary Solutions 1. Install Missing Dependencies 2. Verify Node Modules Advanced….