AlexWebLab

Explore a wide range of web development topics, from JavaScript to React and beyond, and uncover valuable insights to enhance your skills.

Latest 2 articles:

React's Fiber Architecture: How React Became Interruptible

Rendering & Frameworks

React rewrote its core rendering engine in 2017 to introduce Fiber — an architecture that enables prioritised, interruptible, and resumable rendering. Here's what changed and why it matters for modern React features.

Prototype Pollution: The JavaScript Vulnerability You Might Be Ignoring

Security & Architecture

Prototype pollution is a class of JavaScript vulnerability where an attacker modifies Object.prototype or another shared prototype — causing unexpected behaviour across an entire application. It shows up most often in utility libraries, and it's more dangerous than it looks.