Vishal Chauhan’s Post

The new transpiler to compile the latest and final version of my language, T, to JavaScript, is now almost complete (pending some production code testing). It borrows the best bits from CoffeeScript and enhances on some of the concepts, adds preprocessor macros, a powerful omnipotent `each` loop, and a bit of syntactic sugar and elegance (not arrogance 😄). What I found slightly unsettling: The entire compiler (itself written in the previous dialect of T) is only ~ 3200 lines 🤯 Am I doing something wrong? 🥴 #efficiency #programming #softwaredevelopment #t #t3 #javascript

Use the JavaScript `PerformanceMeasure` interface of the `Performance API` to track and measure the timing of `fetch` operations 🔥 Do Like 👍 & Repost 🔄 #html #css #javascript #100daysofcode #webdevelopment #programming

Debugging becomes 10× easier when you understand what your errors are actually trying to tell you. I broke down the three most common ones — Syntax, Type, and Reference Errors — in a simple, beginner-friendly carousel. What’s the most confusing error you faced as a beginner Thanks to Kumari Kritika for the design touch! #JavaScript #WebDevelopment #Debugging #ProgrammingBasics #LearnToCode #SoftwareEngineering #CodeNewbie #FrontendDevelopment #TechEducation #CodingJourney #DeveloperCommunity #CleanCode #ProgrammingTips #DevLearning

In JavaScript, an object lets you store related data and functionality together using key–value pairs. It helps represent real-world entities like users, products, and settings in a clean and structured way. 🔹 Properties store values 🔹 Methods define actions 🔹 Access data using dot (.) or bracket ([]) notation #JavaScript #JSObjects #WebDevelopment #Programming

This JavaScript comparison looks correct — but it fails. If a variable already holds a string, using JSON.stringify() on it will add quotes, changing the value and breaking equality checks. Small misunderstandings like this create real bugs in production code. Strong fundamentals matter more than memorizing APIs. #JavaScript #WebDevelopment #Programming #CodingTips #SoftwareEngineering #TechLearning

Part 2 of My JavaScript Pattern Exercise Project I’m excited to share the second part of my ongoing JavaScript Pattern Exercise project! For this phase, I focused on enhancing the logic by introducing a single loop to optimize pattern generation and improve code readability and performance. By refactoring with a single loop approach, the structure became cleaner and more efficient — a small change that made a big difference! 💡 Key Highlights: Implemented a single loop solution for pattern generation Streamlined logic for easier maintenance and scalability Applied best practices in loop management and variable control Check out the code and follow the project on GitHub: 👉 https://lnkd.in/ej4fNeZs Would love to hear your feedback and suggestions as I continue iterating! #JavaScript #Coding #CleanCode #WebDevelopment #Programming #GitHub

The secret behind JavaScript's non-blocking nature. 🧠 The Event Loop is a fundamental concept that trips many developers up. It acts as the bridge between synchronous operations and asynchronous callbacks. Here is the basic flow: 1️⃣ All synchronous code is executed immediately in the Call Stack. 2️⃣ Asynchronous operations (like setTimeout or API calls) are offloaded to Web APIs. 3️⃣ When an async operation finishes, its callback is placed in the Callback Queue. 4️⃣ The Event Loop waits until the Call Stack is completely empty, then pushes the first task from the Queue into the Stack to run. Mastering this flow is crucial for debugging complex async behaviors! #JavaScript #WebDev #Programming #JSConcepts #AsyncProgramming #DeveloperTips #LearnToCode

🧪 Playwright: A modern end-to-end testing framework by Microsoft that supports multiple browsers (Chromium, Firefox, WebKit) and multiple languages (JS, Python, C#, Java). It offers auto-waiting, fast execution, mobile emulation, and visual comparisons—making it one of the most reliable automation tools today. #AIinQA #QualityEngineering #TestAutomation

Another day, another classic JavaScript "gotcha"! This snippet is a perfect quick test of your understanding of the Event Loop, specifically how JavaScript handles asynchronous operations. The key concepts here: 1️⃣ Synchronous code always runs first on the Call Stack. 2️⃣ Microtasks (like Promise callbacks) have priority and are executed immediately after the synchronous code finishes. 3️⃣ Macrotasks (like setTimeout) are executed only after the Call Stack and the Microtask Queue are completely empty—even if the delay is set to 0ms. 👇 Drop the correct order of the console logs in the comments below! Let's see who gets it right on the first try. #JavaScript #WebDevelopment #CodingChallenge #EventLoop #FrontEndDeveloper #Programming

HashMap: The ultimate lookup tool Officially: A HashMap (or dictionary / object) is a data structure that stores key-value pairs, allowing constant-time O(1) lookup, insertion, and deletion in most cases. Why it matters: Instead of scanning an array every time, you can store what you’ve seen and access it instantly. Quick memory tip: HashMap = “Remember it once, use it anytime instantly” #HashMap #DataStructures #CodingTips #Programming #JavaScript #BackendDevelopment #InterviewPrep #DSA #TechTips #LearnToCode #CodeSmart #DeveloperLife