JavaScript

11 articles

12 min de lectura

Tutorial JavaScript principiantes — gratis e interactivo

Tutorial JavaScript principiantes: lecciones interactivas gratis sobre variables, funciones, DOM y hábitos de práctica que funcionan — ruta Sturdee 2026.

9 min de lectura

Closures en JavaScript explicados — guía simple con ejemplos

Entiende closures en JavaScript: ámbito léxico, funciones internas y casos en React, callbacks y módulos. Guía práctica para principiantes.

10 min de lectura

JavaScript async/await — guía completa para principiantes

Domina async/await, Promises y fetch en JavaScript. Maneja APIs, errores y peticiones paralelas con patrones claros y fáciles de probar.

11 min read

JavaScript ES6+ Features Every Developer Should Know

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

9 min read

JavaScript Array Methods — map, filter, reduce Explained

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

10 min read

JavaScript DOM Manipulation — Select, Modify & Events

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

8 min read

JavaScript Fetch API Tutorial — GET, POST & Error Handling

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

8 min read

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.

10 min read

React Hooks Explained for Beginners — useState & useEffect

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

11 min read

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.

8 min read

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

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