Roméo TCHAMOU’s Post

Most people “learn” JavaScript. Few actually understand it. After completing “Namaste JavaScript” by Akshay Saini 🚀, I realised : 👉 Hoisting isn’t magic 👉 Closures aren’t confusing 👉 The Event Loop isn’t scary It’s all about understanding the engine behind the code. This course helped me shift from: ❌ Copying code ➡️ Thinking like a developer Now the real journey begins — building, failing, and improving. If you're learning JavaScript, don’t rush. Depth > speed. #JavaScript #Programming #LearningInPublic #WebDev #AkshaySaini

⚡ The JavaScript Mistake I Kept Making (And How I Fixed It) When I started learning JavaScript, I thought this was fine: if (value == 10) { console.log("Equal"); } But later, I learned something important: 👉 == vs === So I changed it to: if (value === 10) { console.log("Equal"); } 💡 What’s the difference? 🔹 == → checks value only (does type conversion) 🔹 === → checks value + type (strict comparison) 🚨 Example: 0 == false // true 😯 0 === false // false ✅ 🔥 The lesson? 👉 Always prefer === in real projects 👉 It avoids unexpected bugs 👉 Makes your code more predictable 📌 Small concepts like this separate beginners from confident developers. What JavaScript mistake taught you the most? #JavaScript #Coding #WebDevelopment #Programming #Developers #LearningJourney #CodeNewbie #codebegun

🚀 2 Important JavaScript Concepts Every Developer Should Know! If you're learning JavaScript, understanding these two concepts can seriously level up your coding skills 👇 🔹 Hoisting JavaScript moves declarations to the top before execution. 👉 That’s why you can use variables/functions before declaring them. 💡 Key Takeaway: var is hoisted with undefined, while let and const are hoisted but not initialized. 🔹 Closures A closure allows a function to access variables from its outer scope even after the outer function has finished execution. 💡 Key Takeaway: Closures are powerful for maintaining state and creating private variables. 📚 Want to learn more? 👉 Hoisting: https://lnkd.in/djMH7JzY 👉 Closures: https://lnkd.in/dtk38xwW Big thanks to w3schools.com for making JavaScript concepts easy to understand 🙌 💬 Which concept was harder for you to understand — Hoisting or Closures? 🔖 Save this post & share with your developer friends! #JavaScript #WebDevelopment #Frontend #Coding #Programming #Developers #LearnToCode #Closures #Hoisting #W3Schools

30 Days JavaScript Challenge : Day 27 ✅ Today’s problem was about creating a compact object basically removing all falsy values from an object or array, even if they are nested. At first glance it looks easy, but once nested structures come in, it gets interesting. This problem really tests your understanding of: Falsy values (null, 0, false, "", etc.) Recursion for nested objects/arrays Treating arrays like objects (since indices are keys) It’s one of those questions that feels very practical like cleaning API responses or filtering unwanted data before using it. Definitely helped me think more deeply about how JavaScript handles data structures. Almost at the end now… consistency paying off 🚀 #javascript #leetcode #webdevelopment #frontenddeveloper #codingchallenge #learninginpublic #developers #programming #buildinpublic

One small word in JavaScript causes a lot of confusion: undefined. Many developers encounter it but don’t fully understand why it appears. In my latest article, I break it down in a practical way: • What undefined actually means • Common scenarios where it shows up • Mistakes developers often make • How to avoid it in real projects This is especially useful if you're learning JavaScript or improving your debugging skills. 🔗 Read the full article: https://lnkd.in/gaGDuAHp Curious — what was the most confusing JavaScript concept for you when you started? #JavaScript #WebDevelopment #FrontendDevelopment #Programming #Coding #SoftwareDevelopment #Debugging #LearnJavaScript

🚀 Understanding the this Keyword in JavaScript Read full article here: https://lnkd.in/dYgJ6F_Y The this keyword is one of the most confusing concepts in JavaScript—but once you understand it, everything starts to click. In simple terms, this refers to the caller of a function. 📌 What I covered in this article: • this in the global context • this inside objects (methods) • this inside functions • How the calling context changes the value of this 💡 Key Insight: The value of this is not fixed—it depends on how a function is called, not where it is written. 🙏 Special thanks to my mentors and teachers from Chai Aur Code — Hitesh Choudhary Sir, Piyush Garg Sir, Suraj Kumar Jha Sir, and Akash Kadlag Sir for their amazing guidance and teaching. If you're learning JavaScript or preparing for interviews, mastering this is a must. Let me know your biggest confusion about this 👇 #JavaScript #WebDevelopment #FrontendDevelopment #BackendDevelopment #FullStackDevelopment #Coding #Programming #LearnToCode #Developers #ChaiAurCode

📒 Just documented JavaScript Data Types in a clean handwritten format! Concepts feel much easier when you write and visualize them instead of just reading 📖✍️ Covered: ✔️ Primitive Types ✔️ Reference Types ✔️ Special Concepts like "typeof" & Dynamic Typing JavaScript is simple… but its behavior makes it powerful (and sometimes tricky 😄) Consistency in learning > speed 🚀 If you're learning JavaScript, start from the basics — they matter more than you think. 💬 What topic should I cover next? #JavaScript #WebDevelopment #CodingJourney #LearnToCode #Frontend #Programming #Developers #100DaysOfCode #Tech #CodeNewbie

30 Days JavaScript Challenge : Day 24 ✅ Today’s problem was about sorting an array using a custom function. Instead of directly sorting values, we use a function fn to decide the order — basically telling JavaScript how to compare elements. At first it feels simple, but it actually shows how powerful sorting can be when you control the logic: Sorting objects based on a property Sorting nested arrays Custom ranking based on conditions It’s one of those concepts that looks basic but is used everywhere in real projects. Slowly getting more clarity on how to write flexible and reusable logic in JavaScript. #javascript #leetcode #webdevelopment #frontenddeveloper #codingchallenge #learninginpublic #developers #programming #buildinpublic