Guides

Understanding Cross-Site Scripting - A Security Primer

Learn how XSS attacks work, why your session cookies are vulnerable, and the exact defense strategies that actually stop attackers—from HTTP-only flags to Content Security Policies.

How Type Predicates Clean Up Your TypeScript

Learn how type predicates help TypeScript understand your data shapes, eliminate repetitive type checks, and make your code safer and more readable.

Understanding JavaScript’s Runtime System

Understand how the JavaScript engine, call stack, event loop, and task queues work together to execute synchronous and asynchronous code in browsers and Node.js.

JWT vs OAuth 2.0

Understand the differences between JWT and OAuth 2.0, their use cases, and best practices for secure, scalable authentication in modern web applications.