Rust M’s Post

Custom hooks help you extract reusable logic, keep your components clean, and simplify state management. They’re perfect for making your React code more organized and maintainable. Benefits: Reuse logic across components Avoid repetition Simplify complex logic Improve consistency 💡 Pro Tip: Start with small hooks for common patterns—it saves time and makes your projects scalable! #ReactJS #CustomHooks #WebDevelopment #Frontend #JavaScript #CleanCode

Most developers know the Event Loop. Few understand its priority model. JavaScript doesn’t just “run async code.” It runs it through two distinct queues: • Microtasks (high priority) • Macrotasks (lower priority) And the rule is absolute: All microtasks run before even ONE macrotask. That means: Promises always beat setTimeout. Async/await always beats timers. This isn’t trivia. This is the scheduling policy of the entire runtime. Architects don’t just write async code. They design around the scheduler. #JavaScript #React #Frontend #EventLoop #SystemDesign #AsyncProgramming #SoftwareArchitecture #JSInternals

Most developers know the Event Loop. Few understand its priority model. JavaScript doesn’t just “run async code.” It runs it through two distinct queues: • Microtasks (high priority) • Macrotasks (lower priority) And the rule is absolute: All microtasks run before even ONE macrotask. That means: Promises always beat setTimeout. Async/await always beats timers. This isn’t trivia. This is the scheduling policy of the entire runtime. Architects don’t just write async code. They design around the scheduler. Follow Muhammad Nouman for more useful content #JavaScript #React #Frontend #EventLoop #SystemDesign #AsyncProgramming #SoftwareArchitecture #JSInternals

🚨 𝗥𝗲𝗮𝗰𝘁 𝗖𝗼𝗱𝗲 𝗦𝗺𝗲𝗹𝗹 #𝟬𝟴: 𝗢𝘃𝗲𝗿𝘂𝘀𝗶𝗻𝗴 𝘂𝘀𝗲𝗠𝗲𝗺𝗼 Not everything needs optimization. Using useMemo for simple calculations often adds more complexity than value. 👉 Memoize expensive work, not trivial math 👉 Prefer simpler code 👉 Optimize only when necessary Clear code beats premature optimization. Have you ever removed a useMemo and simplified a component? 😄 #React #CleanCode #CodeSmell #ReactHooks #Frontend #JavaScript

JavaScript is single-threaded. So how does it run setTimeout, Promises, and await without blocking everything? The answer is the event loop. But most explanations make it sound more complicated than it actually is. Async in JavaScript isn’t magic. It’s just a predictable system of queues: • Call Stack • Microtask Queue • Macrotask Queue • Rendering cycle Once you understand how these queues run, the execution order suddenly makes sense. No more “Why did this run first?” moments. I broke the whole concept down visually in this carousel. If async has ever confused you while debugging Save this post, you’ll want it later. RRK signing off! 💛 #javascript #webdevelopment #frontend #reactjs #softwareengineering

React 19.2 quietly improves day-to-day architecture decisions. Features like Activity boundaries and cleaner effect patterns reduce complexity in large apps. The biggest win is not “new API hype”, it’s fewer bugs in long-lived components. Are you already using these patterns in production? #react #frontend #javascript #fullstack #softwareengineering

After talking about useMemo, it’s hard not to mention useCallback. I often see it added everywhere as a “performance fix”, even when there’s no real problem to solve. useCallback is useful when function identity actually matters, usually when passing callbacks to memoized components or dependency arrays. In many cases, it just adds noise and makes the code harder to read. As with most things in React, clarity should come first. Optimization should be intentional, not automatic. #React #JavaScript #Frontend #SoftwareEngineering

JavaScript isn’t “single-threaded and simple.” It’s single-threaded and secretly genius. The Event Loop is the silent manager making sure your console.log, API calls, timers, and DOM events don’t crash into each other like untrained interns. Call Stack executes. Web APIs handle async work. Task Queue waits. Event Loop decides who runs next. Smooth. Predictable. Powerful. If you don’t understand this, you’ll debug blindly. If you master this, async code becomes chess instead of chaos. ♟️ #JavaScript #EventLoop #AsyncJS #WebDevelopment #Frontend #CodingLife #100DaysOfCode

When working on TypeScript projects, understanding when to use interfaces and types is crucial for maintaining a consistent codebase. Here's a breakdown to help guide your decision: 🔄 Interfaces: - Ideal for extension/merging objects - Defining object structures - Specifying component props - Describing API responses 🎯 Types: - Useful for union types (e.g., string | number) - Handling computed types - Creating primitive aliases - Performing complex type operations Remember, the key lies in consistency across your codebase rather than the specific choice between interfaces and types. How do you typically make the call between interfaces and types in your TypeScript workflows? #TypeScript #WebDevelopment #Frontend #ReactJS #BestPractices