JAVASCRIPT NOTES — PART 3 (Async JavaScript) Synchronous code is easy to follow. Asynchronous code is where real confusion begins. This post covers: • Callbacks and why they became messy • Promises and their states • async / await for cleaner flow • Error handling with try–catch • The Event Loop and execution order • Microtasks vs callback queue Understanding async JavaScript isn’t about memorizing syntax — it’s about knowing when and why code executes. If the event loop ever felt confusing, this one is for revision. #JavaScript #WebDevelopment #FrontendDeveloper #LearningInPublic #InterviewPrep #AsyncJavaScript #Consistency

🚀#1, I worked on a simple but fundamental problem: finding even numbers in an array using JavaScript. While the problem looks basic, it helps in understanding how to iterate through arrays, apply conditions, and build logical thinking step by step. Akshay Saini 🚀 #DSA #NamasteDsa #JavaScript #CodingJourney #100DaysOfCode #ProblemSolving #LearningInPublic

JavaScript destructuring trick: Rename while destructuring: const { name: userName, id: userId } = user; No more variable name conflicts. No more confusing abbreviations. Small syntax, big clarity. #JavaScript #CodingTips #CleanCode

Javascript Scopes in 30 seconds. Many bugs in JavaScript come from misunderstanding scope. Scope decides where variables live and who can access them. var → function scoped let / const → block scoped #JavaScript #CodingJourney

Got a minute for some JavaScript? 😚 What does this code output? Answer 🔍 >>> undefined I don’t really like questions where you just have to be attentive, but I think this is something worth paying attention to. To get the number of entries in a *Map*, you use the *.size* property, not *.length* like in arrays. In short: .length --> Arrays, Strings, function parameters .size --> Map, Set #javascript #webdevelopment

Lecture - 19: Async/Await in JavaScript by Hitesh Choudhary and Piyush Garg - promise (pending, resolve, reject) - then and catch - async/await - error handeling - setTimeout function #chaicode #JavaScript #AsyncAwait

Day 32 of #100DaysOfCode Today I learned one of the most important JavaScript topics for full-stack development: Functions. Covered: • Function declaration & expression • Parameters vs arguments • Return statement • Arrow functions • Basic callback functions Functions are everywhere — from frontend logic to backend APIs. #FullStackDevelopment #JavaScript #LearningInPublic #WebDevelopment

Same task. Two styles. Modern JavaScript with async/await makes code cleaner, easier to read, and easier to debug 🚀 If you’re still chaining .then(), this upgrade is worth it. #JavaScript #WebDev #FrontendDev #AsyncAwait #CodingTips  #DeveloperLife #LearnJavaScript #CodeNewbie #DevCommunity #ProgrammingHumor

I focused on understanding null and undefined in JavaScript. null usually means a value is intentionally set to “no value.” undefined means a value is not assigned or not available for some reason. This small difference is very important when writing clean and bug-free code. Improving my understanding of JavaScript fundamentals step by step. #JavaScript #ProgrammingBasics #WebDevelopment #LearningJourney

Part 2 of using reduce() method in JavaScript. Let’s talk about getting the product of numbers in JavaScript Arrays. #JavaScript #WebDevelopment #CodingTips #LearnToCode #softwaredeveloper