Build Netlify serverless functions with the modern Request/Response API. Setup, custom routes, API key proxying, CORS fixes, and the production 404 fix.

IntermediateCSS // Deep Dive

Hotspot Calibration

Web & Frontend•CSS & UI Systems8 min read

Custom Cursor CSS: How to Create and Customize Mouse Cursors

Learn to build custom CSS and JavaScript cursors with hotspot calibration, GPU acceleration, and accessibility fallbacks. Includes working code examples.

IntermediateJavaScript // Deep Dive

Event Prevention

Web & Frontend•JavaScript7 min read

javascript:void(0): What It Actually Does and When to Remove It

Learn what javascript:void(0) actually does, why it still appears in modern codebases, and when you should replace it with event.preventDefault() or a button.

IntermediateJavaScript // Deep Dive

Native Formatting

Web & Frontend•JavaScript7 min read

JavaScript Date Format: Native Methods, Intl API, and Library Comparison

Format JavaScript dates without a library using native Intl.DateTimeFormat. Compare Day.js, date-fns, and Temporal API to find the right fit for your project.

IntermediateHTML // Deep Dive

Form Architecture

Web & Frontend•HTML Semantics7 min read

HTML Nested Forms: Why They Fail and 3 Working Alternatives

Discover why placing a form inside a form breaks your DOM and learn three W3C-compliant solutions using HTML5 attributes and JavaScript.

IntermediateVideoHTML // Deep Dive

light-dark Function

Web & Frontend•CSS & UI Systems6 min read

How to Build Dark Mode with HTML, CSS, and JS: The Modern Way

Stop using body.dark classes. Learn how to build a modern Dark Mode using the new CSS light-dark() function and simple JavaScript. LocalStorage included.