#fundamentals Development Tutorials & Tips | Roast Dev

What is an IIFE in JavaScript and Why Would You Use It?

In JavaScript, you might have seen a function that seems to call itself right after it's defined. That’s called an IIFE, short for Immediately Invoked Function Expression. It might look weird at fir...

28.03.2025 0 Read More

Memoization and Caching: Are they the same in JavaScript?

At first glance, Memoization and Caching might seen like the same thing. After all, both techniques involve saving results to avoid doing the same work again. But while they are related, they're not e...

31.03.2025 0 Read More

Deep Dive - How Chunked Transfer Encoding Works

Chunked transfer encoding is a key HTTP/1.1 feature that allows servers to stream data incrementally without knowing the total size of the response upfront. It’s particularly useful in streaming API...

04.04.2025 0 Read More

Programming Paradigms Explained with Code Examples

When you're learning to code or expanding your knowledge, you'll often hear the term "programming paradigms" but what does that actually mean?A programming paradigm is a way to approach problem-solvin...

04.04.2025 0 Read More

What happens when both try and finally return in JavaScript?

What do you think will happen if we run this code? ⛶function test() { try { throw new Error("oops"); } catch (e) { return 'catch'; } finally { return 'finally'; } } console.log(...

06.04.2025 0 Read More

How JavaScript Gets Updated: ECMAScript, V8 and Your Runtime Explained

I remember when I started coding in JavaScript, I used to think: "Okay... so JavaScript gets updated like any language... just update and that's it." But that's not exactly how things work here. JavaS...

13.04.2025 0 Read More