🔹 Context API vs. Redux – best for state management? 🔹 React Server Components – how are they different? 🔹 Optimizing useEffect for better performance. 🔹 Strategies to improve React app performance.
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🌟 Problem Solving Can you reverse a string in JavaScript without using built-in methods? Write a function to find the largest number in an array. 🎯 Want to dive deeper into these topics and more? Enroll in our Frontend Interview Preparation Course and take your skills to the next level! 🙌
🌟 React Can you explain the difference between functional and class components? How does React’s reconciliation process work? What are React Hooks, and how do you use them?
🌟 HTML & CSS How does the CSS Box Model work? What are the different types of position properties in CSS? What’s the difference between em, rem, %, and px in CSS?
1️⃣ Use `const` & `let` over `var`. 2️⃣ Use optional chaining (`?.`) to avoid errors. 3️⃣ Destructure objects/arrays for cleaner code. 4️⃣ Use `map`, `filter`, `reduce` over loops for arrays.
The first thing to understand is that variables are *labels*.
I remember learning that a variable was like a box. We create a container called "person" and then drop an object into it. But this isn't the right way to think about it.
