🚀 Day 90/90 – #90DaysOfJavaScript Topic covered: Error Handling in JavaScript (throw, try...catch, finally) ✅ throw Statement 👉 Used to manually trigger an error 👉 Expression can be: String, Number, Object, Instance of an Error (Error, TypeError, RangeError, etc.) 👉 Stops normal execution & transfers control to nearest catch ✅ try...catch Block 👉 Used to handle runtime errors gracefully 👉 Prevents program crash 👉 Catch block receives the thrown error object 👉 Validate inputs or stop unwanted execution using throw ✅ finally Block 👉 Executes always, whether error occurs or not 👉 Useful for cleanup actions 🎯 Key Takeaways 👉 throw → manually raise custom errors 👉 try...catch → handle exceptions safely 👉 finally → runs always (cleanup) 👉 Use meaningful error messages for debugging clarity 🛠️ Access my GitHub repo for all code and explanations: 🔗 https://lnkd.in/dWPSFUtZ Let’s learn together! Follow my journey to #MasterJavaScript in 90 days! 🔁 Like, 💬 comment, and 🔗 share if you're learning too. #JavaScript #WebDevelopment #CodingChallenge #Frontend #JavaScriptNotes #MasteringJavaScript #GitHub #LearnInPublic
Sonjib Chetry’s Post
More Relevant Posts
-
Mastering JavaScript Functions — From Basics to Advanced! I’ve just built a complete reference file covering all JavaScript function concepts — from declarations and arrow functions to closures, callbacks, async/await, and even generators! Every section includes a clear definition, explanation, and live example — all written cleanly so you can run it directly in VS Code. This project helped me deeply understand how functions work behind the scenes in JavaScript, including concepts like hoisting, ‘this’ behavior, and higher-order functions. #JavaScript #WebDevelopment #CodingJourney #DeveloperCommunity #100DaysOfCode #LearnToCode #JSFunctions #FrontendDeveloper #CodeWithYagsy #JavaScriptLearning
To view or add a comment, sign in
-
🧠 Day 39 | Function Call Stack & Hoisting Today’s lecture explored how JavaScript organizes its thoughts 🧩 — through the Function Call Stack and Hoisting. Learned how JS reads all declarations first and executes later, maintaining perfect order. ✨ Key Takeaway: Understanding the stack flow simplifies debugging and boosts logical clarity. 🔗 GitHub: https://lnkd.in/dtdU9-zZ #WebDevelopment #JavaScript #CodingJourney #Frontend
To view or add a comment, sign in
-
-
JavaScript Unique Magic: Hoisting Definition: Hoisting in JavaScript means moving all variable and function declarations to the top of their scope before the code runs. This allows you to use a function or variable even before it is written in the code. Why It Happens: JavaScript interpreter reads the entire code first and sets up memory for all variables and functions. That why you can access them before their actual line of code appears. Uses: 1) Helps in calling functions before they are defined. 2) Makes code organization flexible. Problems: 1) Can cause confusion for beginners. 2) Variables declared with var become undefined if used before declaration. 3) let and const declarations cause an error if used too early #JavaScriptMagic #CodingTips #LearnJS #FrontendFun #ProgrammingLife #JSBeginners #WebDev #TypeScript #CodeSmart #DeveloperCommunity
To view or add a comment, sign in
-
🧩 Day 41 | Classes & Default Parameters Today’s focus was on Classes & Default Parameters — how structure, encapsulation, and flexibility elevate JavaScript’s power. ✨ Key Insight: Classes help organize code; default parameters make it smarter and reusable. 🔗 GitHub: https://lnkd.in/dtdU9-zZ #WebDevelopment #JavaScript #CodingJourney #OOP
To view or add a comment, sign in
-
-
💻 Day 3 of #100DaysOfCode > 🚀 Today I learned about JavaScript Loops — one of the most powerful concepts for repeating tasks! 🔁 The 5 main types of loops in JavaScript: 1️⃣ for loop 2️⃣ while loop 3️⃣ do...while loop 4️⃣ for...of loop 5️⃣ for...in loop 💡 Loops make our code efficient and clean by reducing repetition. #100DaysOfCode #JavaScript #WebDevelopment #CodingJourney #FullStackDeveloper
To view or add a comment, sign in
-
-
🚀 Day 789 of #800DaysOfCode 🎯 Array Methods Made Simple Arrays are at the heart of JavaScript — and mastering their methods can make your code cleaner, faster, and more readable. In today’s post, I’ve explained JavaScript array methods in a simplified and easy-to-visualize way — so you not only understand how they work but also when to use them effectively in real-world scenarios. If you’ve ever felt confused about methods like `map()`, `filter()`, or `reduce()`, this post will clear it all up in the most intuitive way possible. 💬 What’s your favorite array method that you use the most in your projects? Share it below 👇 #Day789 #800DaysOfCode #JavaScript #FrontendDevelopment #WebDevelopment #CodingCommunity #CodeQuality #LearningEveryday #CleanCode
To view or add a comment, sign in
-
Understanding Variables in JavaScript Today, I explored one of the core fundamentals of JavaScript — Variables. Variables act as containers for storing data, and they play a major role in how programs handle, update, and manage information. JavaScript provides three ways to declare variables: var, let, and const. Each behaves differently in terms of scope, reassignment, and hoisting — making it important to choose the right one based on the requirement. 🔍 Key Points I Learned ✔️ Variables store dynamic values like numbers, strings, arrays, objects, etc. ✔️ var → function-scoped, older way, can lead to unexpected behavior ✔️ let → block-scoped, ideal for values that change ✔️ const → block-scoped, used for fixed values (cannot be reassigned) ✔️ ES6 improved code reliability by introducing let and const Building strong fundamentals like variables helps in writing cleaner, predictable, and modern JavaScript code. 🚀 Grateful to my mentor Sudheer Velpula for guiding and encouraging consistent learning. 🙌 #JavaScript #Variables #WebDevelopment #Frontend #CodingJourney #ES6 #ProgrammingBasics #LearnJavaScript #TechLearning #DeveloperCommunity
To view or add a comment, sign in
-
-
#100DaysLearningChallenge with Saurabh Shukla Sir. 🎯 Day 18: Priority Queue in JavaScript — Managing Tasks with Precision ⚙️⏱️ Previously, I explored the Min Heap — understanding how data can be structured efficiently. Today, I build upon that foundation to implement the Priority Queue — a powerful data structure that ensures elements are processed based on their priority, not just their order of arrival. 🧠 What’s a Priority Queue? A specialized queue where each element is associated with a priority. The element with the highest priority is served before others — making it indispensable in systems where order and importance both matter. 🛠️ Built our own Priority Queue from scratch: ✅ Insert elements with dynamic priorities ✅ Efficiently retrieve and remove the highest (or lowest) priority element ✅ Leveraged Heap logic for optimal performance ✅ Clean, modular JavaScript implementation ready to extend and reuse 📂 Real-world use cases: ➡️ Task scheduling and load balancing ➡️ Pathfinding algorithms (like Dijkstra’s and A*) ➡️ Operating system process management ➡️ Network packet routing and more 👨💻 Building the structure yourself is the best way to understand how priorities truly drive performance. 📒 A sample implementation is shared below — explore it, modify it, and make it your own! 📹 Video reference (MySirG): https://lnkd.in/gcB5pPzY 💻 Source Code (GitHub): https://lnkd.in/g-_DKtA9 🚀 From mastering heaps to managing priorities — every day, one level up. #100DaysLearningChallenge #Day18 #PriorityQueue #JavaScript #DataStructures #CleanCode #LearningInPublic #DevJourney #AlgoDaily #CodeSmart
Priority Queue in JavaScript Explained Like a Pro!" | Complete Implementation & Logic 🚀
https://www.youtube.com/
To view or add a comment, sign in
-
Learning JavaScript Fundamentals 🚀 Today I learned and practiced some important JavaScript fundamentals 👇 ⚙️ Basic Operators: Arithmetic, Assignment, Increment/Decrement, Comparison, Logical, Bitwise 📦 Variable Hoisting: how JS moves declarations to the top of the scope 🔁 Conditional Operators: if / else / else-if / ternary / switch I practiced these concepts and pushed my code to GitHub 💻 🔗 https://lnkd.in/dNMhXBbm Every day, I’m understanding JavaScript a little deeper 💪 💬 Which JavaScript concept took you the longest to understand? #JavaScript #WebDevelopment #Frontend #CodingJourney #LearningInPublic #100DaysOfCode
To view or add a comment, sign in
-
Explore content categories
- Career
- Productivity
- Finance
- Soft Skills & Emotional Intelligence
- Project Management
- Education
- Technology
- Leadership
- Ecommerce
- User Experience
- Recruitment & HR
- Customer Experience
- Real Estate
- Marketing
- Sales
- Retail & Merchandising
- Science
- Supply Chain Management
- Future Of Work
- Consulting
- Writing
- Economics
- Artificial Intelligence
- Employee Experience
- Workplace Trends
- Fundraising
- Networking
- Corporate Social Responsibility
- Negotiation
- Communication
- Engineering
- Hospitality & Tourism
- Business Strategy
- Change Management
- Organizational Culture
- Design
- Innovation
- Event Planning
- Training & Development