Joseph Ngigi’s Post

The moment you start learning from documentation is like getting a 1-up in Super Mario! 🚀✨ Diving into documentation allows you to see technologies from a broader perspective, beyond just syntax and functionality. This can be mind-blowing and completely change your perspectives Here are a couple of examples that bring great clarity about why we need frameworks and libraries: 🔗 Next.js - vanilla js vs frameworks: https://lnkd.in/gWTKWCnX 🔗 React - imperative vs declarative approach in code: https://lnkd.in/gxdt7PEe Understanding the “why” behind frameworks and libraries is crucial for every developer. #WebDevelopment #JavaScript #ReactJS #NextJS #TechLearning #DeveloperJourney

I'm excited to share my React notes through my new blog. I hope you find it helpful and enjoyable. Check it out here: https://lnkd.in/da_A2WJT #React #JavaScript #WebDevelopment #Coding #TechBlog

Why old abstract javascript code broke my brain? Navigating old, abstract JavaScript code can feel like decoding a mystery novel — only without the excitement. It’s frustrating, time-consuming, and prone to error https://lnkd.in/gf2D2Z-R #javascript #cleancode #legacycode #softwaredevelopment #softwareengineer #frontend #js

🚀 Optimizing Performance with Memoization in JavaScript! 🚀 When we talk about performance in JavaScript, one powerful concept often comes up: Memoization. It’s a technique used to cache the results of expensive function calls, preventing repeated calculations and improving efficiency—perfect for performance-intensive applications! 👨💻 Here’s a simple example in JavaScript using a sum() function: function sum(n) {   let sum = 0;   for (let i = 1; i <= n; i++) {     sum += i;   }   return sum; } function sumMemoization(fun) {   let cache = {};   return function (n) {     if (n in cache) {       return cache[n]; // Return cached result if available     } else {       let result = fun(n);       cache[n] = result; // Store new result in cache       return result;     }   }; } let memo = sumMemoization(sum); console.time(); console.log(memo(5)); // First call, calculates and caches result console.timeEnd(); console.time(); console.log(memo(5)); // Second call, retrieves from cache console.timeEnd(); 💡 How It Works: 1️⃣ First Call: The result of sum(5) is computed and stored in a cache. 2️⃣ Second Call: Instead of recalculating, we return the cached result, significantly reducing runtime. 🌟 Why Memoization? Saves Time: Avoids repeated calculations for the same inputs. Boosts Performance: Ideal for applications requiring repeated computations, such as data-intensive calculations, recursive functions, or backend data fetching. 🔧 Key Tips for Using Memoization: It’s most useful for pure functions (functions with consistent outputs for the same inputs). Not ideal for functions where inputs vary frequently and caching isn’t efficient. Using memoization can be a small change with a big impact on performance in real-world applications. Try it in your next project, and let me know how it goes! #JavaScript #Memoization #WebDevelopment #PerformanceOptimization #Coding #ProgrammingTips #JS #Frontend

When it comes to creating dynamic user interfaces in React projects, JSX is an indispensable tool that enables efficient and intuitive definition of component structure and appearance. JSX, short for JavaScript Syntax Extension, is a JavaScript extension that allows the creation of a DOM tree - Document Object Model - using XML-like syntax. This XML/HTML-like syntax is embedded within JavaScript code and is used to declare React components. JSX is the language used to describe user interfaces built with React. In short, JSX is an extension of the JavaScript programming language that allows the use of HTML-like code within JavaScript to simplify the creation of React components and the definition of user interfaces. See how the power of JSX shines through in the example of a simple book list. :D #React #ReactJS #JavaScript #JSX #npm https://lnkd.in/d2xdbpbA

🚀 Excited to share my latest tutorial on #ReactJS! Learn how to master ReactJs #props and enhance your #React skills with practical examples. Whether you're a beginner or looking to level up your frontend development expertise, this guide has got you covered. Check it out now and take your React applications to the next level! 🌟 More details: https://lnkd.in/gxTprpnV #ReactJS #FrontendDevelopment #WebDevelopment #JavaScript #PropsTutorial #FrontendDevelopment #WebDevelopment #JavaScript #PropsTutorial #ReactProps #CodingTutorial #DeveloperCommunity #TechEducation #softwaredevelopment

Hello, fellow devs!❤ Ever encountered the "RangeError: Maximum Call Stack Size Exceeded" in your JavaScript code? Picture this: your code is chugging along, minding its own business, when suddenly, BAM!😡 You're hit with the dreaded error. The "RangeError: Maximum Call Stack Size Exceeded" is a very common error in JavaScript. But fear not! We will understand everything about it, so it never fails to catch your breath. #js #javascript #nodejs #developers #softwaredevelopers #content #contentwriter https://lnkd.in/d-PPbD5W

🖊️ New Blog! 📝 Mastering React.js just got easier! I've compiled a comprehensive React.js Cheatsheet to help you quickly navigate through the essentials of this powerful library. Whether you're a beginner or a seasoned developer, this guide will be your go-to reference for building dynamic and efficient web applications. Check it out on dev.to and supercharge your React skills today! 💻🔗 #ReactJS #WebDevelopment #JavaScript #CodingTips #devto #FrontendDevelopment #ReactCheatsheet #WebDesign #Programming #TechBlog #DeveloperCommunity #LearnToCode #FullStackDevelopment

✨ Mastering Higher-Order Functions in JavaScript ✨ In JavaScript, Higher-Order Functions (HOFs) are functions that either take other functions as arguments or return them as results. HOFs are essential for writing modular, efficient, and clean code. —particularly valuable for handling collections and asynchronous operations. 🚀 Why Use Higher-Order Functions? • Improved Readability: HOFs like .map(), .filter(), and .reduce() make code more expressive and easy to understand. • Reusability: HOFs allow for reusable code patterns by accepting custom callback functions. • Functional Programming Benefits: With HOFs, JavaScript embraces functional programming concepts like immutability and pure functions. 🔍 Examples of Higher-Order Functions: • Array.prototype.map(): Transforms each element in an array. const numbers = [1, 2, 3]; const squares = numbers.map(num => num * num); console.log(squares); // Output: [1, 4, 9] • Array.prototype.filter(): Filters elements based on a condition. const ages = [22, 18, 34, 15]; const adults = ages.filter(age => age >= 18); console.log(adults); // Output: [22, 34] • Array.prototype.reduce(): Accumulates values to produce a single output. const values = [1, 2, 3, 4]; const sum = values.reduce((total, num) => total + num, 0); console.log(sum); // Output: 10 🔹 Key Takeaway: Higher-order functions form the backbone of clean, modular JavaScript. By mastering HOFs, you can write code that is more maintainable, scalable, and functional. #JavaScript #Coding #WebDevelopment #FunctionalProgramming #HigherOrderFunctions #FrontendDevelopment #TechTips

💡 9 JavaScript Shorthands to Improve Your Code 💡 As JavaScript developers, we’re always looking for ways to write cleaner, more efficient code. These 9 simple but powerful shorthands can help you make your code more readable and concise, without sacrificing functionality! 1️⃣ Ternary Operator: Replace basic if-else statements with a single line using condition ? true : false. 2️⃣ Logical OR (||) for Defaults: Use const x = value || defaultValue; to set fallback values. 3️⃣ Object Property Shorthand: When property and variable names are the same, just write { propName } instead of { propName: propName }. 4️⃣ Arrow Functions: Cut down on function syntax with const func = () => {}. 5️⃣ Template Literals: Use backticks (``) for string interpolation: `Hello ${name}`. 6️⃣ Nullish Coalescing Operator (??): Safely provide a fallback only when the value is null or undefined: x = value ?? defaultValue. 7️⃣ Destructuring: Extract values from arrays or objects easily: const { name, age } = user;. 8️⃣ Optional Chaining (?.): Access deep object properties without worrying about undefined: user?.address?.city. 9️⃣ Spread Operator: Easily merge arrays or objects: [...arr1, ...arr2] or { ...obj1, ...obj2 }. By mastering these shorthands, you'll write faster, more readable code, and make your development process much smoother! Follow Saurav Singh for more. Instagram: https://lnkd.in/dH785jR8 Telegram: https://t.me/NerdyNinjas #JavaScript #CodeQuality #WebDevelopment #CodingTips #ProgrammingHacks #CleanCode #SoftwareEngineering #FrontendDevelopment #JSBestPractices #TechCommunity