JavaScript - ITNotes

Programming tutorial - IT technology blog

TypeScript for Beginners: Stop Guessing and Start Writing Safer Code

April 3, 2026

Tired of 'undefined' errors? Learn how to transition from JavaScript to TypeScript with this practical guide on interfaces, union types, and strict configurations.

Programming

Scaling Node.js: High-Performance Async/Await and Event Loop Management

March 30, 2026

Master high-performance Node.js development with this guide to Async/Await. Learn how to optimize the Event Loop, use parallel execution patterns, and handle CPU-heavy tasks.

Programming

Building Real-time Apps with WebSocket: A Practical Node.js to Deployment Guide

March 28, 2026

This guide covers building real-time applications with WebSockets and Node.js. It details various real-time approaches, their pros and cons, and a recommended setup featuring Node.js, the `ws` library, PM2, and Nginx. Follow practical code examples from development to a production-ready deployment.

Programming

Building Modern Web Apps with SvelteKit: From Setup to Production Deployment

March 23, 2026

SvelteKit combines a compile-time component model with file-based routing, SSR, and built-in API endpoints — all in one framework. This guide walks through setting up a SvelteKit project, configuring it for production with the Node adapter, and deploying it behind Nginx with PM2 for process management.

Programming

Regex Tutorial: A Practical Guide with Examples and Online Tester

March 21, 2026

Navigate Regular Expressions with confidence. This practical guide covers core concepts, syntax, and real-world examples to solve common text processing problems efficiently.

Programming

Build a REST API with Node.js and Express: A Production-Ready Guide

March 11, 2026

Learn to build a robust REST API using Node.js and Express with this comprehensive, production-focused tutorial. Covering installation, configuration, testing, and essential monitoring strategies, this guide shares real-world insights for creating stable and maintainable backend services.