JavaScript and Modern Web APIs

Posts, tutorials, and snippets on JavaScript — from asynchronous programming fundamentals to modern browser APIs like the Observer family — covering the language and platform features that power interactive web applications.

Content in JavaScript

• Post:HTML5 Canvas Guide: Drawing, Animation, and Best Practices

  Draw, animate, and optimise graphics with the Canvas API.

  Learn the HTML5 Canvas API from first shapes to advanced techniques — paths, transforms, animation, input, high-DPI, OffscreenCanvas, pixels, and 3D.

• Post:Mastering Asynchronous JavaScript: Callbacks, Promises, and Async/Await

  Write clean, predictable asynchronous JavaScript

  A deep guide to asynchronous JavaScript covering the event loop, callbacks, promises, async/await, microtasks, concurrency patterns, and performance best practices for modern web development.

• Post:Mastering JavaScript Observers: A Complete Guide to Reactive Web APIs

  Unlock reactive power with JavaScript Observer APIs.

  Master MutationObserver, IntersectionObserver, ResizeObserver, and PerformanceObserver. Learn to build high-performance, reactive web apps with real-world examples and best practices.

• Post:Mastering JavaScript Operators: A Complete Guide with Examples

  Transform, compare, assign—write cleaner code.

  A complete breakdown of all JavaScript operators including arithmetic, logical, assignment, comparison, bitwise, and special operators with syntax and real-world examples.

• Tutorial:Exponential Backoff with Jitter

  Prevent server traffic spikes using random retry jitter.

  Enhance your retry logic with 'Full Jitter' to decohere client requests and protect your infrastructure during recovery.