This set of video tutorials provides an in-depth explanation of TypeScript, covering environment construction, various types in TypeScript (basic types, arrays, objects, tuples, enumerations, unknown, any, void, never, etc.), and TypeScript compilation. options, as well as object-oriented knowledge (classes, abstract classes, and interfaces) in TypeScript. At the end of the tutorial, the knowledge is systematically connected through a practical project "Snake". TS itself is not a sophisticated technology and can be easily mastered by students with a basic knowledge of JavaScript.