#64: TypeScript: will it entirely replace JavaScript?

TypeScript is a programming language, a superset of JavaScript. This means any valid JavaScript program is also valid TypeScript. But not vice-versa! TypeScript adds a ton of features, addressing the shortcomings of JavaScript. The most important one is optional static typing, including null-safety. The fact that you can take any JavaScript code and turn it into TypeScript by simply changing a file extension is crucial. It means you can gradually start using TypeScript’s features without rewriting your whole application. Read more: https://nurkiewicz.com/64 Get the new episode straight to your mailbox: https://nurkiewicz.com/newsletter