How to log multiple values in JavaScript with labels

JS Tutorial #4: Conditional Statements Title: JS Tutorial #4: If-Else Statements Content: Conditional statements let your program make decisions. Code snippet: let score = 75; if(score >= 50) { console.log("Pass"); } else { console.log("Fail"); } Engagement: Change the score variable and see what happens. Can you add else if for a grade system? #JavaScript #WebDevelopment #Coding #LearnJS #Cognothink

Ever felt lost in the complexities of the Node.js EVENT LOOP? 🤔 Let's demystify this core concept for better JavaScript performance! The Node.js Event Loop (powered by V8 and libUV) is the HEARTBEAT ❤️ of asynchronous JavaScript. Understanding it is CRUCIAL for writing efficient Node.js applications. Here are three key takeaways: 💡 Grasp the difference between BLOCKING and NON-BLOCKING I/O. Blocking I/O halts the entire process, non-blocking doesn't. ⏱️ Understand the nuances of `setImmediate` vs. `setTimeout(0)`. While seemingly similar, they behave differently in the event loop's execution order. `setImmediate` prioritizes I/O cycle, while `setTimeout(0)` goes to the timer queue. 🧵 Optimize your UV_THREADPOOL_SIZE. This determines the number of threads available for asynchronous operations. Increasing it can boost performance for CPU-intensive tasks. What's YOUR favorite Node.js performance tip? Share in the comments! 👇 #Nodejs #JavaScript #EventLoop #Asynchronous #Programming #Backend #Performance

🚀 Go + WASM: A real-time dashboard built in a few hours… with almost no JavaScript No Vue. No React. Under 60 lines of JavaScript. The challenge Build a production-quality dashboard without adopting yet another JavaScript framework that needs its own framework… and a framework for that framework’s build tool. The result ✅ Real-time health checks ✅ Instant search + sorting ✅ Smooth auto-refresh ✅ Minimal JavaScript (just the WASM loader) ✅ Everything else in Go, compiled to WebAssembly Just Go everywhere, from server to browser. Next challenge Scale this same design to 100,000 hosts. Curious about Go + WASM? DM me. #golang #webassembly #webdev #typescript #javascript #programming

The Event Loop — What’s Really Happening Behind setTimeout()? JavaScript is single-threaded... but feels multitasked. Here’s the secret — ➡️ Tasks go to the call stack ➡️ Promises & timeouts go to microtask/macrotask queues ➡️ The Event Loop decides what runs next 🌀 Understand this, and async code will never confuse you again! #JavaScript #FrontendDevelopment #DevHackMondays #WebDevelopment #TechLearning

Boa, a standard-conforming embeddable JavaScript engine, is written in Rust for enhanced performance and security. It supports over 90% of the ECMAScript spec, ensuring compatibility. Use cases: • Embedding in applications needing JS execution. • Server-side scripting with Rust’s safety. Key benefits include: • Improved security • Efficient resource use • Easy integration with Rust projects Explore Boa: [https://lnkd.in/gU437U7s) #JavaScript #Rust #Boa #ECMAScript #EmbeddableEngine

🎯 Can you spot the hidden pitfall in generating random numbers? You’re asked to generate 5 unique random integers between 0 and 99 in JavaScript. Is using a Set the most efficient and reliable approach, or is there a better way when scaling this to thousands of numbers?

⚙️ Day 40 | Variable Scope & Temporal Dead Zone Explored the fundamentals of scope in JavaScript — from global to block level — and how TDZ prevents early access errors. ✨ Key Learning: Scope = boundaries of logic. TDZ = guardrails for cleaner execution. 🔗 GitHub: https://lnkd.in/dtdU9-zZ #JavaScript #WebDevelopment #Frontend #LearningJourney

🔒 JavaScript Closures: The Private Diary Analogy Ever wondered how JavaScript "remembers" things? Let me explain closures with a real-world analogy. Think of a closure like a private diary with a lock: 📖 The diary (outer function) contains your secrets (variables) 🔐 Only you have the key (inner function) to access those secrets ✨ Even after you close the diary, the key still works Why does this matter? The count variable is trapped inside the closure. No one can directly access or modify it from outside. It's like data privacy built into JavaScript! Real-world use case : This powers every search bar you've used that waits for you to stop typing! The key insight: Closures let inner functions remember their environment, even after the outer function has finished executing. Have you used closures in your code today? Share your favorite use case below! 👇 #JavaScript #WebDevelopment #ReactJS #Programming #Frontend #CodingTips #SoftwareEngineering