JavaScript

Functional JavaScript: Build a Compose Utility from Scratch   Functional programming in JavaScript can drastically simplify your code by reducing side effects and enhancing composability. Whether you're transforming data or…

Design a Simple Rate Limiter Using Redis and Node.js   Rate limiting is a crucial technique for controlling traffic to your APIs and protecting your application from abuse, DDoS attacks,…

How Async/Await Works under the Hood in JavaScript   Async/await has made asynchronous programming in JavaScript more readable and expressive. But have you ever wondered how it actually works under…

Web Scraping with Cheerio.js: Extract Job Listings into CSV   Web scraping has become an essential tool for gathering data from websites for analysis, automation, or reporting. In this tutorial,…

Consuming Public APIs in JavaScript Without Axios or jQuery   Modern JavaScript gives us a powerful native tool to make HTTP requests: the Fetch API. Unlike older approaches that relied…

Auto-Reply Gmail Emails Using Google Apps Script (JavaScript)   Automating email responses is a game-changer for productivity. Whether you're managing customer support, internal communication, or just want cleaner inbox management,…

Debounce vs Throttle: Interactive Search Bar Demo in JavaScript   In modern web development, user experience is everything — especially when it comes to responsive UI elements like search bars.…

Monitor Website Uptime With Node.js and Discord Alerts   Ensuring your website stays up and available is a critical part of maintaining a reliable user experience. While there are many…

Implement Dijkstra’s Algorithm in JavaScript for Route Planning   Dijkstra’s algorithm is a cornerstone in graph theory that helps find the shortest path between nodes in a graph. Whether you're…

Real-Time Form Validation in Vanilla JavaScript   Form validation is a fundamental part of building user-friendly and secure web applications. While libraries like jQuery used to be the go-to solution,…