Day 28 of #100DaysOfCode: JavaScript Basics and Industry Insights

Day 28 – JavaScript Basics Today’s session was all about getting a clear introduction to JavaScript — understanding what it is, why it’s important, and how it works inside the browser. ✨ What I learned today: What is JavaScript & why it matters How to link JS using the <script> tag Running JS in the browser Difference between var, let, const Using console, prompt, and alert What are strings and how to use methods like slice(), split(), replace(), and includes() This session really helped strengthen my JS foundation. Guidance by Harsh Vandana Sharma at Sheryians Coding School #Day28 #100DaysOfCode #JavaScript #WebDevelopment #FrontendDevelopment #LearningByDoing #SheryiansCodingSchool

🔁 Revising JavaScript – Strengthening My Core Concepts! Today I started revising the “JavaScript – Learn Everything” course by Sheryians Coding School. This 8-hour full course covers everything from basics to advanced topics, and it’s one of the best resources I’ve found to sharpen my fundamentals again. 💻 🧠 Revision topics I’m focusing on: Variables & Data Types Operators & Control Flow Functions & Loops Arrays & Objects Revisiting these concepts is helping me build stronger logic and prepare better for React and project development. 💪 If you’re learning JavaScript or want to clear your basics — this course is a must-watch! 📺 Watch here: https://lnkd.in/gv7Jt8M6 #JavaScript #WebDevelopment #MERNStack #CodingJourney #SheryiansCodingSchool #LearningNeverStops #FrontendDevelopment #Revision

Leveling Up on Day 2 of JavaScript! 📈 We dove headfirst into the essentials today, moving from the why to the how of writing clean JavaScript. A huge shoutout to Harsh Bhaiya for breaking down complex ideas into simple, actionable steps! What I Learned & Practiced: The Essentials: How to get started, why JS is important, and how to link it using the <script> tag. Variable Declarations: Establishing best practices with let and const for better scope management. Browser Toolkit: Mastering console.log for debugging and using prompt/alert for basic user communication. Data Handling: Practicing essential String methods (slice, split, replace, includes)—these are critical for manipulating data from APIs or user inputs! The momentum is real! Excited to keep building on this strong base. #Day2 #JavaScript #JSFundamentals #WebDevelopment #CodingJourney #HarshBhaiya Sheryians Coding School Sheryians Coding School Community

💻 JavaScript Quiz – W3Schools Scored 92% (23/25) 🎯 Another small step in strengthening my JavaScript fundamentals — from loops and data types to operator precedence and conditional statements. 🚀 Learning never stops! 🔥 If you’re revising JavaScript basics or preparing for interviews, W3Schools quizzes are a great place to test your knowledge. Try it here 👉 https://lnkd.in/dj_bDg2t #JavaScript #WebDevelopment #Learning #CodingJourney #W3Schools #Frontend #Developer #Practice

🗓️ 𝐃𝐚𝐲 𝟑𝟕 – JavaScript: Functions Deep Dive Today’s session focused on understanding 𝘧𝘶𝘯𝘤𝘵𝘪𝘰𝘯𝘴 𝘪𝘯 𝘑𝘢𝘷𝘢𝘚𝘤𝘳𝘪𝘱𝘵 — the true building blocks of the language 💡 📘 𝘾𝙤𝙫𝙚𝙧𝙚𝙙 𝘾𝙤𝙣𝙘𝙚𝙥𝙩𝙨: ⚙️ 𝗙𝘂𝗻𝗰𝘁𝗶𝗼𝗻 𝗕𝗮𝘀𝗶𝗰𝘀 – declaration, parameters, arguments 📥 𝗣𝗮𝗿𝗮𝗺𝗲𝘁𝗲𝗿𝘀 – required, destructured, rest, default 📤 𝗔𝗿𝗴𝘂𝗺𝗲𝗻𝘁𝘀 – positional, default, spread 🧩 𝗛𝗼𝗶𝘀𝘁𝗶𝗻𝗴 – variable vs function hoisting 🔁 𝗖𝗹𝗮𝘀𝘀𝗶𝗰 & 𝗡𝗲𝘀𝘁𝗲𝗱 𝗙𝘂𝗻𝗰𝘁𝗶𝗼𝗻𝘀 – understanding scope and the scope chain ⚡ 𝗜𝗜𝗙𝗘 (𝗜𝗺𝗺𝗲𝗱𝗶𝗮𝘁𝗲𝗹𝘆 𝗜𝗻𝘃𝗼𝗸𝗲𝗱 𝗙𝘂𝗻𝗰𝘁𝗶𝗼𝗻 𝗘𝘅𝗽𝗿𝗲𝘀𝘀𝗶𝗼𝗻) – executing functions instantly 🏗️ 𝗔𝗿𝗿𝗼𝘄 / 𝗙𝗮𝘁 𝗔𝗿𝗿𝗼𝘄 𝗙𝘂𝗻𝗰𝘁𝗶𝗼𝗻𝘀 – concise syntax and lexical this 🕵️ 𝗔𝗻𝗼𝗻𝘆𝗺𝗼𝘂𝘀, 𝗛𝗶𝗴𝗵𝗲𝗿-𝗢𝗿𝗱𝗲𝗿, 𝗖𝗮𝗹𝗹𝗯𝗮𝗰𝗸, 𝗮𝗻𝗱 𝗙𝗶𝗿𝘀𝘁-𝗖𝗹𝗮𝘀𝘀 𝗙𝘂𝗻𝗰𝘁𝗶𝗼𝗻𝘀 – treating functions as values 🧠 𝗣𝘂𝗿𝗲 & 𝗜𝗺𝗽𝘂𝗿𝗲 𝗙𝘂𝗻𝗰𝘁𝗶𝗼𝗻𝘀 – understanding side effects Each concept made me realize how powerful and flexible functions are in JavaScript! 🚀 #JavaScript #Functions #FrontendDevelopment #LearningJourney #Sheryians #Cohort2_0 Sheryians Coding School Sheryians Coding School Community

📘 Sheryians Coding School Cohort 2.0 – Day 27 and 28 📘 Topic: JavaScript Basics 💻 I learned: 🔹 What are variables & how to store values 🔹 Different data types like number, string, boolean 🔹 Basic JS syntax & writing simple scripts 🔹 How browser reads & executes JavaScript 💡 Key takeaway: JavaScript is the brain of the website, controlling how everything behaves and responds to the user. #SheryiansCodingSchool #JavaScript #Basics #FrontendDevelopment #CodingJourney

💻 Day 41 Exploring Core JavaScript Concepts 🚀 Today’s class was full of core JavaScript learning and some deep insights about what it really means to think like a developer. 💡 We covered topics like: • Functions inside functions, First-class functions, and Higher-order functions • Closures how JS remembers variables even after execution • Arrays and Objects and methods like push(), pop(), splice(), sort(), shift(), unshift(), and more The best part was learning about the developer mindset understanding what today’s generation of developers truly need to focus on: 👉 Not just hard work, but smart work writing cleaner, logical, and efficient code. Each class is helping me connect the dots between concepts, logic, and real world thinking. Loving the process and learning something new every day with Sheryians Coding School. 💪 Harsh Vandana Sharma Sheryians Coding School #JavaScript #WebDevelopment #Frontend #SheryiansCodingSchool #CodingJourney #SmartWork #HardWork #LearningByDoing #Functions #Closures #Arrays #Objects #GrowthMindset

💻✨ 21 Days JavaScript Basics Challenge — Day 6 🚀 🫖 Learning from: Chai aur Code by Hitesh Choudhary 📘 Today’s Focus: 🔹 Functions in JavaScript 🔹 The this Keyword 🔹 Control Flow & Loops 🧩 What I learned today: ⭐ How to create and call functions in JavaScript ➡️ Function Declaration, Expression, and Arrow Functions ⭐ The role of the this keyword — how its value changes based on context ⭐ Control flow statements like ➡️ if, else if, else, switch ⭐ Looping structures: ➡️ for, while, do...while, and for...of 💡 Key Takeaways: ➡️ Functions make code reusable and modular 🔁 ➡️ this behaves differently in regular vs arrow functions ⚙️ ➡️ Loops and conditionals control the logic flow of every program 🎯 💾 Saved today’s code as 07_functions_controlflow_loops.js on GitHub 📂 #JavaScript #ChaiAurCode #CodingJourney #21DaysChallenge #LearningInPublic #WebDevelopment #CodeNewbie #JSBasics #Loops #Functions

✨ Day 9 — Mastering Functions in JavaScript (Part 1: The Fundamentals)! ✨ Today, I explored one of the most powerful and essential concepts in JavaScript — Functions! 💻 I started by understanding what a function really is — a reusable “code recipe” that helps us follow the DRY (Don’t Repeat Yourself) principle. 🔁 I learned about the anatomy of a function, including parameters vs. arguments, and the importance of the return keyword. Then, I discovered the difference between Function Declarations and Function Expressions, and how Hoisting works behind the scenes. To wrap up the fundamentals, I explored modern Arrow Functions (=>) — short, clean, and perfect for writing concise logic! ⚡ This session helped me understand how functions make our code modular, reusable, and easy to maintain — truly the foundation of JavaScript programming. 🚀 #Day9 #JavaScript #WebDevelopment #100DaysOfCode #LearningEveryday #Functions #FrontendDevelopment #CodingJourney #TechLearning

Day 29 of #100DaysOfCode – Deep Dive into JavaScript Operators & Hoisting Today’s session focused on understanding the wide range of JavaScript operators and how they function in real-world code. Key Learnings: Explored different types of operators: arithmetic, comparison, logical, assignment, ternary, type-checking, and string operators. Understood advanced concepts like spread/rest operators, nullish coalescing, and optional chaining. Learned about variable hoisting  how JavaScript handles variable declarations internally, and the differences in behavior between var, let, and const. Takeaway: A clear understanding of operator precedence and hoisting helps write cleaner, bug-free, and optimized JavaScript code. Grateful to Harsh Vandana Sharma from Sheryians Coding School for making today’s concepts practical and easy to grasp. #100DaysOfCode #JavaScript #WebDevelopment #CodingJourney #Frontend