TypeScript: Static Types for JavaScript

How do you define and implement a static type system for a dynamic language like JavaScript, and why would you even care to? Anders explores how TypeScript came to be, how it differs from classic type systems, and how it can be beneficial even if you don't like types. EVENT: dotJS 2018 SPEAKER: Anders Hejlsberg PERMISSIONS: Original video was published with the Creative Commons Attribution license (reuse allowed). CREDITS: Original video source: https://www.youtube.com/watch?v=ET4kT88JRXs https://www.youtube.com/watch?v=484iWaZQJbo