Strengthening JavaScript Fundamentals at Chai aur Code

Day 75 of #100DaysOfCode – Working with Local Storage in JavaScript Today I explored Local Storage and how browsers can store data locally to persist information even after refreshing the page. What I Learned & Implemented: Storing data using localStorage.setItem() Retrieving data using localStorage.getItem() Removing specific items with removeItem() Clearing all stored data using clear() Storing objects in Local Storage using JSON.stringify() Retrieving and converting them back using JSON.parse() Key Takeaway: Local Storage is useful for storing small amounts of persistent data like user preferences, tokens, or session-like information on the client side. Understanding how to convert objects into strings and back makes it much more powerful for real applications. Grateful to Sarthak Sharma from Sheryians Coding School and Sheryians Coding School Community for setting the foundation right before jumping into React Every small concept like this adds another tool to the frontend toolbox. #100DaysOfCode #JavaScript #WebDevelopment #FrontendDevelopment #LocalStorage #CodingJourney #BuildInPublic

Solved two classic problems from LeetCode today on my YouTube channel JDCodebase 🚀 ✔️ Two Sum (LeetCode 1) ✔️ Valid Anagram (LeetCode 242) These problems are beginner-friendly but teach very powerful concepts like: • HashMap usage in JavaScript • Frequency Counter pattern • Complement pattern to optimize from O(n²) → O(n) Strong fundamentals in these patterns make many other DSA problems easier to solve. If you're learning DSA with JavaScript, this video will help you understand the logic step-by-step. 🎥 Watch the full video here: https://lnkd.in/gXiwdFus #dsa #javascript #leetcode #codinginterview #datastructures #algorithms #programming #webdevelopment

Had an amazing learning session with Samarth Vohra on Variables and Data Types in JavaScript. Before this class, I knew how to use variables — but today I understood why they behave the way they do. Some key insights: ✔ Why var can cause unexpected behavior ✔ How let and const improve code reliability ✔ The importance of understanding primitive vs reference types ✔ How JavaScript performs type coercion What changed my perspective is realizing that strong fundamentals prevent major bugs later. Grateful for the clarity and guidance 🙏 Excited to dive deeper into JavaScript! #JavaScript #Programming #DeveloperJourney

🚀 60 Days JavaScript Challenge | Day 4 Today’s practice was about understanding loops and how repetition works in programming. ✅ Problem: Print numbers from 1 to 10 using JavaScript. 💡 Explanation: Instead of writing multiple console.log() statements manually, a for loop helps repeat the same action automatically. A loop has three parts: 1️⃣ Initialization – starting value 2️⃣ Condition – how long the loop should run 3️⃣ Increment – how the value changes each step The loop continues executing until the condition becomes false. 🎯 What I learned today: Loops are powerful because they reduce repetitive code and make programs efficient. Understanding loop flow is essential before moving to advanced problem solving. Consistency continues. Day 5 coming next ✅ #60DaysOfCode #JavaScript #CodingPractice #ProblemSolving #LearningJourney

Completed TypeScript basics. 1. Basic types (string, number, boolean, arrays) 2. Type inference 3. Interfaces vs type aliases 4. Union & optional types 5. Function typing 6. Generics and OOP 7. Type safety and more.. TypeScript adds static typing on top of JavaScript, which helps catch mistakes earlier and makes code easier to reason about. Still getting comfortable with it... Ref videos: 1. https://lnkd.in/gNJeBayk 2. https://lnkd.in/gd4s2UMy #TypeScript #JavaScript #DevJourney Sheryians Coding School Harsh Vandana Sharma

These two simple debugging tricks will save you a lot of time if you're a front-end developer: 😊 1. * { border: 1px solid red; } in CSS 2. console.log() in JavaScript I can't even tell you how many times these techniques have helped me avoid spending lots of time fixing problems in my code. Visit w3schools.com JavaScript Mastery to Learn Programming! 👈 #frontenddeveloper #debugging #javascriptdeveloper #csstrick #RahulChoudhary

Here is the "Cheat Sheet" for the JS essentials: Closures: Why functions remember their surroundings. Async/Await: Making asynchronous code look and feel synchronous. Promises: Handling the future of your data without "callback hell." Prototypes: The secret sauce behind JavaScript's inheritance. The this Keyword: The most misunderstood concept that depends entirely on how you call a function. The Value Add: I’ve found that mastering Closures was the single biggest "Aha!" moment in my career. It changed how I think about data privacy and functional programming. Call to Action (Engagement): Which one of these was the hardest for you to learn? Or is there a 6th concept you think belongs on this list? 👇 Let's discuss in the comments! #JavaScript #WebDevelopment #CodingTips #SoftwareEngineering #TechCareer #Programming

🚀 Understanding JavaScript Objects – A Beginner’s Guide Blog Linke :~ https://lnkd.in/gC94PJCx Today, we explored the basics of JavaScript objects – their structure, how to access, update, add, and delete properties, and how to loop through keys. Objects are a powerful way to organize data and model real-world entities in JavaScript. #JavaScript #WebDevelopment #Coding #Programming #LearnJavaScript #TechTips Chai Aur Code Hitesh Choudhary Jay Kadlag Akash Kadlag Piyush Garg

🚀 What I Learned About JavaScript (Beyond Just Syntax) While learning JavaScript, I didn’t just focus on writing code — I tried to understand how it actually works behind the scenes. Here’s what I explored: 🔹 Why JavaScript was created? Easy to learn and less complicated Solves many low-level problems automatically Automatic Memory Management (Garbage Collection) unlike C++ 🔹 Where does JavaScript actually run? JavaScript runs inside a browser using an engine. For example, Google Chrome uses the V8 Engine. 👉 JS Code → V8 Engine → Output 🔹 Interesting Insight: The V8 Engine itself is written in C++. That means when we run JavaScript, it is internally handled by optimized C++ code that interacts directly with the machine. 🔹 Browser vs Node.js In the browser → JS runs inside the browser engine (like V8). In Node.js → V8 is used outside the browser as a JavaScript runtime environment. This helped me understand that JavaScript is not “just a scripting language” — it’s powered by high-performance engines working behind the scenes. Currently continuing my journey deeper into JavaScript fundamentals 🚀 Learning how things work internally is changing the way I write code. #JavaScript #WebDevelopment #LearningInPublic #V8Engine #NodeJS #Programming #ComputerScience

Check out my today’s blog! Topic: Understanding Object-Oriented Programming in JavaScript - a beginner-friendly guide to help developers grasp core OOP concepts like classes, objects, inheritance, encapsulation, and more in JavaScript. If you're learning JavaScript or strengthening your web development fundamentals, this might be helpful for you. Read here: https://lnkd.in/gyyMqF3R object-oriented-programming-in-javascript Thanks for the guidance: Piyush Garg ,Hitesh Choudhary #JavaScript #WebDevelopment #Coding #LearnToCode #OOP #Blog