Ravi Shankar Pratihast’s Post

💡 JavaScript Tip: Choose Immutability! Working with arrays and objects in JS? Using immutable patterns makes your code safer, more predictable, and React-friendly. Here’s a complete cheat sheet: ✨ Why immutability matters: Prevents unexpected side-effects Easier debugging & testing Supports React reconciliation – React relies on object/array references to detect changes efficiently. Immutable updates make re-renders predictable and fast. #JavaScript #WebDevelopment #ReactJS #CodingTips #CleanCode #Frontend #ReactReconciliation

Today I learned about three important JavaScript loops: forEach() for...in for...of Each one has its own purpose: forEach() — used to loop through array elements for...in — used to iterate over object keys for...of — used to loop through iterable values like arrays or strings Understanding the difference between them really cleared things up for me 💡 #JavaScript #WebDevelopment #LearningJourney #Frontend #100daysofcode

🎯 Practiced JavaScript DOM today learned how to manipulate multiple elements and how JS interacts with each node in real time. It’s amazing how small scripts can change an entire webpage dynamically! 💻 Check it out here 👉 https://lnkd.in/g9cWfhaH #JavaScript #WebDevelopment #Frontend #LearningJourney

Top-level await in JavaScript. In short: Top-level await turns modules into truly asynchronous building blocks — letting JavaScript handle async dependencies naturally, such as an HTTP request for data from the backend. #JavaScript #WebDevelopment #Frontend

A closure in JavaScript is when a function remembers and accesses variables from its outer scope, even after that outer function has returned. #javascript #typescript #frontend #backend

Daily Tip: JavaScript or React — Elevate your skills with 1 practical tip a day. Today's focus: mastering closures in JavaScript to write clean, maintainable code. Pro tip: when a closure closes over a variable, ensure you understand the scope chain to prevent leaks. #JavaScript #React #codingtips #webdev

🚀 𝐔𝐧𝐝𝐞𝐫𝐬𝐭𝐚𝐧𝐝𝐢𝐧𝐠 𝐅𝐚𝐥𝐬𝐲 𝐕𝐚𝐥𝐮𝐞𝐬 𝐢𝐧 𝐉𝐚𝐯𝐚𝐒𝐜𝐫𝐢𝐩𝐭 In JavaScript, some values are considered “falsy”, meaning they behave like false when used in a condition. Falsy values are: 𝐟𝐚𝐥𝐬𝐞, 0, "", 𝐮𝐧𝐝𝐞𝐟𝐢𝐧𝐞𝐝, 𝐧𝐮𝐥𝐥, 𝐍𝐚𝐍 💡 Tip: Any value that’s not falsy is automatically 𝐭𝐫𝐮𝐭𝐡𝐲 — for example: 'hello', 1, [], {}, true are all 𝐭𝐫𝐮𝐭𝐡𝐲. 👉 JavaScript quietly checks for truthy or falsy behind the scenes! #JavaScript #WebDevelopment #Frontend #CodingTips #LearnJS

🚀 Leveling Up My JavaScript Fundamentals! Just revised all the important JavaScript loop types — for, while, do...while, for...in, and for...of. These loops may look similar, but each one solves a different kind of problem efficiently. Understanding when to use which loop makes your code cleaner, faster, and more readable — especially in real projects. 🔥 Sharing this snippet for anyone who wants a quick refresher! #JavaScript #WebDevelopment #Frontend #CodingJourney #LearnToCode #TechCommunity #ReactJS

🚀 Just finished a small JavaScript project! I built a modal window that opens and closes when clicking buttons, the overlay, or pressing the Escape key. 🧠 This helped me understand: - querySelector / querySelectorAll - addEventListener - classList.add() and .remove() - Keyboard events like keydown Check out the full project on GitHub 👇 🔗 https://lnkd.in/euzZQVBA #JavaScript #WebDevelopment #Frontend #LearningInPublic #Makhilens

🚀 Day 3 – Level 3 of my 4 Days JavaScript Challenge! 💡 Today's Topic: Difference between call() and apply() in JavaScript Both are used to set the this context and invoke a function immediately — but the way they pass arguments makes all the difference 👇 🪄 Quick Tip 🔹 Use call() when you already know the exact number of arguments. 🔹 Use apply() when arguments are coming dynamically as an array. #JavaScript #WebDevelopment #CodingChallenge #Frontend #LearnInPublic