TypeScript

TypeScript programming guides covering new features, best practices, and advanced type patterns.

Modern TypeScript development guides.

Articles

TypeScript 5.5: New Features and Best Practices

February 23, 2026

TypeScript 5.5: New Features and Best Practices 2026

Explore TypeScript 5.5 features in 2026 including inferred type predicates, isolated declarations, control flow narrowing, and best practices for modern TypeScript development.