A common mistake in React is trying to assign or declare variables directly within JSX without using the proper JavaScript expression syntax (curly braces {}). The Problem Correct Solutions 1…..
Forgetting to Import React in JSX The Classic Error Before React 17, you’d encounter this error when forgetting to import React: React 17+ Automatic Runtime Good news: Since React 17….
Using an object directly inside JSX instead of converting it to a string with JSON.stringify() can lead to errors or unexpected behavior. JSX is designed to render elements, not raw….
Properly Binding Event Handlers in React Class Components When working with event handlers in React class components, properly handling the this context is crucial. Here’s a breakdown of the correct….
The error “ESLint parsing error: Unexpected token < in JSX” typically occurs when ESLint is unable to parse JSX syntax in your JavaScript files. This happens because ESLint doesn’t recognize….
The error “Failed to compile due to missing .babelrc or Webpack config” typically occurs when your project is missing the necessary configuration files for Babel or Webpack. These configuration files….
Resolving ‘Module not found: Error: Can’t resolve react-dom’ This error occurs when your project can’t locate the react-dom package, which is a core dependency for React web applications. Here’s how….
Proper Usage of Async Functions in useEffect A common React mistake is improperly handling async functions inside useEffect, which can lead to memory leaks, race conditions, and unexpected behavior. Here’s….
Proper Usage of event.preventDefault() in React A common mistake when handling events in React is incorrectly using event.preventDefault(), which can lead to unexpected behavior in forms and interactive elements. The….
The error “Class component without render() method” occurs in React when you’re trying to use a class-based component without defining the render() method. The render() method is essential for class….
