If you want a quick overview, then https://www.typescriptlang.org/docs/handbook/typescript-in-5-minutes.html https://www.typescriptlang.org/docs/handbook/typesc

If you want a quick overview, then https://www.typescriptlang.org/docs/handbook/typescript-in-5-minutes.html https://www.typescriptlang.org/docs/handbook/typescript-in-5.... If you want the full immersion, then read the entire Handbook: https://www.typescriptlang.org/docs/handbook/basic-types.html https://www.typescriptlang.org/docs/handbook/basic-types.htm....