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JavaScript

10 articles

JavaScript Closures Explained — Simple Guide with Examples

Understand JavaScript closures: lexical scope, inner functions, and practical use cases in React, callbacks, and modules.

JavaScript Async/Await — Complete Guide for Beginners

Master async/await, Promises, and fetch in JavaScript. Handle API calls, errors, and parallel requests.

JavaScript ES6+ Features Every Developer Should Know

Arrow functions, destructuring, spread, template literals, modules, and let/const — modern JavaScript essentials.

JavaScript Array Methods — map, filter, reduce Explained

Functional array methods in JavaScript: map, filter, reduce, find, and some. Real examples for data transformation.

JavaScript DOM Manipulation — Select, Modify & Events

Query the DOM with querySelector, update content, classes, and handle click/submit events in vanilla JavaScript.

JavaScript Fetch API Tutorial — GET, POST & Error Handling

Use fetch() to call REST APIs in JavaScript. JSON parsing, headers, POST bodies, and CORS basics.

TypeScript vs JavaScript — Should You Learn TypeScript in 2026?

Compare TypeScript and JavaScript. Types, tooling, job market, and when to add TypeScript to your stack.

React Hooks Explained for Beginners — useState & useEffect

Understand React hooks: useState for state, useEffect for side effects, and rules of hooks for functional components.

Node.js for Beginners — Run JavaScript on the Server

Introduction to Node.js: npm, modules, file system, and building your first API with Express or Next.js.

JavaScript Error Handling — try/catch, Custom Errors & Logging

Handle errors in JavaScript properly: try/catch/finally, Error classes, async errors, and user-friendly messages.