Ignoring React warnings in console, leading to bigger issues later
The Dangers of Ignoring React Console Warnings (And How to Fix Them Properly) Ignoring React warnings in the console is like ignoring “Check Engine” lights in your car – small….
Tag: react best practices
Using document.querySelector instead of useRef in React
When working with DOM elements in React, you have two main approaches: using document.querySelector() (the traditional JavaScript way) or useRef (the React way). Here’s when and how to use each,….
Using key props incorrectly in .map() lists
Using key props incorrectly in .map() operations is a common React anti-pattern that can lead to performance issues, state bugs, and unexpected rendering behavior. Here’s how to properly handle keys….
Using unnecessary dependencies in useEffect
A common React performance issue occurs when useEffect dependencies are incorrectly specified, leading to: Core Principles 1. The Dependency Array Should Reflect All Reactive Values Every value used inside the….
Using too many context providers leading to re-renders
Using too many context providers in a React application can indeed lead to unnecessary re-renders, which might affect performance. Here are some strategies to mitigate this issue: 1. Consolidate Contexts….
Infinite loop in API calls due to incorrect useEffect dependencies
An infinite loop in API calls due to incorrect useEffect dependencies is a common issue in React. This happens when the dependencies in the useEffect hook trigger re-renders continuously, causing….
Handling private routes incorrectly
Proper Implementation of Private Routes in React Router A common security and UX issue in React applications is the incorrect implementation of private routes, which should protect authenticated-only content. Here’s….
Accidentally using a tags instead of causing full page reloads
Using <Link> Instead of <a> Tags in React Router A common performance pitfall in React applications occurs when developers accidentally use regular <a> tags for navigation instead of React Router’s….
Using Link with an incorrect to path
Proper Usage of the <Link> Component in React Router A common mistake when using React Router’s <Link> component is providing an incorrect to path, which can lead to broken navigation….
Not wrapping inside in React Router v6
React Router v6 introduced a significant change in how routes must be structured, requiring all <Route> components to be wrapped in a <Routes> component. This change often catches developers off….