Forgetting to Set Headers in an API Request When making API requests, headers are crucial for passing metadata like authentication tokens, content types, and other information the server requires. Forgetting….
Using await Inside a Non-async Function Using the await keyword inside a function that is not declared as async will result in a syntax error in JavaScript. This is because….
Handling API Response Data Before It Loads A common React mistake is trying to access API response data before it’s available, leading to “cannot read property of undefined” errors. Here’s….
Not Canceling API Requests on Unmount Leading to Memory Leaks When working with API calls in React, especially inside useEffect, failing to cancel ongoing requests when the component unmounts can….
Preventing Infinite Loops in API Calls with useEffect A common React mistake is creating infinite loops when fetching data due to incorrect useEffect dependencies. This happens when the effect triggers….
Proper Async Cleanup in useEffect A common React mistake is not properly handling cleanup for asynchronous operations in useEffect, which can lead to: The Problem (Improper Async Cleanup) Correct Solutions….
Avoiding Multiple Data Fetches in React Components A common React anti-pattern is placing data fetching logic directly in the render method or function component body, which can cause: The Problem….
Handling API Failures in React Applications A common oversight in React development is not properly handling API failures, which can lead to uncaught errors, broken UI states, and poor user….
Incorrect Use of useParams() When Destructuring The useParams() hook from React Router is used to access URL parameters in functional components. A common mistake is destructuring the result of useParams()….
Fixing Nested Route Rendering Issues in React Router v6 A common challenge when working with React Router v6 is getting nested routes to render correctly. The v6 API introduced significant….
