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Implement API Pagination with Vanilla JavaScript

Learn how to fetch and display paginated data from a REST API using vanilla JavaScript, including managing current page, total pages, and navigation controls.

Securely Manage API Keys in Node.js with Environment Variables

Learn the best practice for protecting sensitive API keys in Node.js applications using environment variables and the popular `dotenv` package to prevent hardcoding.

Create a Simple Webhook Receiver in Node.js with Express

Build a basic webhook endpoint using Express.js to receive and process real-time data from external services, perfect for event-driven architectures.

Persist React State with useLocalStorage Hook

Learn how to create a custom React hook, useLocalStorage, to automatically synchronize and persist component state with the browser's local storage.

Manage Timed Intervals with useInterval React Hook

Learn to create a robust useInterval React hook that safely executes a callback function repeatedly after a specified delay, mimicking setInterval within React's lifecycle.

Simplify Async Operations with useAsync React Hook

Build a versatile useAsync React hook to manage asynchronous data fetching or any promise-based operation, gracefully handling loading states, successful data, and errors.

Validate URL with Regex

Use a reliable regex pattern to validate web URLs, checking for valid protocols (http/https), domain names, and optional paths or query parameters.

Validate Hex Color Code with Regex

Quickly validate hexadecimal color codes (e.g., #RRGGBB, #RGB, #RGBA, #RRGGBBAA) using a regex pattern in JavaScript for styling applications.

Validate URL Slug or Permalink with Regex

Ensure clean and SEO-friendly URL slugs or permalinks using a regex pattern that permits lowercase letters, numbers, and hyphens.

Tracking Previous State or Prop Values with usePrevious Hook

A custom React hook `usePrevious` that stores and returns the previous value of any prop or state variable, useful for comparing current and past values.

Detecting Element Visibility with useIntersectionObserver Hook

A React hook `useIntersectionObserver` to easily detect when a DOM element enters or exits the viewport, perfect for lazy loading and animations.

Throttling Function Calls with useThrottle Hook

A custom React hook `useThrottle` to limit the rate at which a function is called, improving performance for frequently triggered events.