Constant Variables (But Not as Constant as You Think 👀) When you start writing JavaScript, you quickly meet a trio: In this article, the spotlight is on const.But here’s a small spoiler: const does not always mean “absolutely unchangeable.”Yes, JavaScript is once again inviting us to a little mental workout. What Is const? What Does […]
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Everyone who learns JavaScript eventually experiences that traumatic moment. You write the code.The logic makes sense.You open the console. And the answer appears: And instantly, this dialogue starts playing in your head: “Isn’t NaN Not a Number?”“How is this a number?”“Is JavaScript messing with me?” 😐 Yes.But it’s doing it on purpose 😄Let’s actually understand […]
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A Deep Dive into JavaScript’s Most Confusing Character 😵💫 Everyone learning JavaScript has lived through this classic scene: “I got it. I understand this.”(Adds an event listener)“Nope… I definitely don’t.” Because this is: Not fixedNot global (even though it sometimes looks like it)Not determined by where it’s writtenDetermined by how it’s called In short: this […]
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The Art, Science, and a Tiny Bit of Madness of Working with Text (“I thought I was coding… turns out I was a text editor” edition) If you’re building an application in JavaScript, you have: So what do you have? 👉 STRINGS. Without understanding strings, you: That’s why in this article, we’re not learning strings […]
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Number Properties (A Guide That Will Make You Rethink What You Know 🚀) If you hear someone say “Numbers are simple in JavaScript,” chances are they haven’t spent quality time alone with NaN yet… In JavaScript, numbers seem to belong to a single type (number).But behind that single type, there are limits, traps, safe zones, […]
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The “Immutable Variables” Myth, the Truth, and a Few Tiny Betrayals There’s a classic moment everyone experiences while learning JavaScript: “Teacher, I used const, but this array is still changing…”“Is JavaScript lying to me?” No.JavaScript doesn’t lie—it just subtly sets a trap 😄 In this article, we’ll cover: All explained with lots of examples and […]
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The Power of Conditional Statements (The Brain, Conscience, and Decision-Maker of Code) JavaScript is a robot 🤖But if you don’t tell it what to do, it just stares at the screen blankly. That’s where if, else, and else if come in→ they are JavaScript’s decision-making mechanism: when to do what. 🧠 WHAT IS IF? “IF […]
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