The Stable State of Modern JavaScript
Discover how JavaScript reached a stable, TypeScript‑driven, server‑first era with ECMAScript 2025, Vite, React stacks, AI tools and edge platforms.
After web creation with HTML and its layout with CSS, JavaScript has become the language with which we can interact with the user in the browser.
But if this doesn’t sound like much to you, the function of JavaScript has transcended, becoming a language for both FrontEnd and BackEnd developers.
Many frameworks have been created based on JavaScripts.
We can develop anything including the famous AppWeb.
Without a doubt, JavaScript is a language that every programmer should master today.
In this section we help you with the most frequent doubts and with some day-to-day problems.
Discover how JavaScript reached a stable, TypeScript‑driven, server‑first era with ECMAScript 2025, Vite, React stacks, AI tools and edge platforms.
Learn to use useEffect and useState correctly in React with real examples, dependency tips and best practices that avoid bugs and loops.
Aprende a implementar autenticación JWT en APIs Node.js con Express, MongoDB y JWKS de forma segura y escalable.
Understand arrow functions and the this keyword in JavaScript with clear rules, examples and pitfalls so you know exactly when to use each one.
Learn why long polling in PHP is hard to scale, how to optimize it, and when to switch to WebSockets, SSE or external real-time services.
Discover the real problems of long polling in JavaScript, how it works, its limits, and when to use WebSockets or SSE instead.
Discover how curated web development newsletters keep you updated on tools, AI, trends and best practices with minimal effort.
jQuery 4.0 arrives after 10 years with ES modules, Trusted Types, fewer legacy APIs and no IE10 support. See what really changes and if you should upgrade.
Discover how npm packages run on Cloudflare workerd using nodejs_compat_v2, unenv polyfills and aliases to unlock more of the Node.js ecosystem.