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In this repeat episode, Dominik Dorfmeister unpacks the pitfalls of React's useCallback and useMemo, revealing how these hooks ...

Topic: Stop writing long function() syntax - use arrow functions Beginners still use the old function() syntax, while pros write shorter ...

My first performance issue was caused by unnecessary rerenders. I called it “Ghost Bug” since I cannot use my “console.log” to ...

In this video, we dive into the nuances of React's lifecycle methods, specifically focusing on the `componentDidMount` method ...

Learn how to avoid stale closures in React hooks by properly managing dependencies in useCallback and useMemo for ...

Learn the 10 most important JavaScript concepts every beginner must understand! If you are starting JavaScript, this video will ...

... hook in React JS with this easy-to-follow, tutorial under 9 minutes. Perfect for beginners or anyone building functional React ...

You're transforming an array, and the callback runs three times, you check the result—[undefined, undefined, undefined].

In this video, I explain JavaScript callbacks step by step using a live practical example, so even beginners can understand it easily ...

Welcome to Day 3 of DSA in JavaScript Training (Beginner → Advanced) In this session, we deeply cover JavaScript Functions, ...

We explain how to send data from Child Component to Parent Component in ReactJS using callback functions and useState hook ...

Erfahren Sie, wie Sie Callback-Funktionen effektiv mit `setState` in React verwenden, um Zustandsaktualisierungen nahtlos zu ...

Are unnecessary re-renders slowing down your React app? In this video, we deeply explain React useCallback using a real ...

In this video, we will cover the most important JavaScript theory concepts that every developer must know—especially for ...

Most developers blame API calls for a slow React app — but the real problem is much simpler: unnecessary rerenders. In React ...

Understanding functions in JavaScript is one of the most important skills for any beginner. In this video, you'll learn what functions ...

In this video, you will learn Arrow Functions, setTimeout, and setInterval in JavaScript with simple examples. These are very ...

Master JavaScript's most powerful 'this' control methods in just 5 minutes! In Part 3 of our "Ultimate Guide to JavaScript 'this'" ...

You wrapped it in try/catch. You did everything right. But the error still crashes your app, and the catch block? Never runs.