TypeScript is an open source programming language that's characterized as a typed language. TypeScript is JavaScript enhanced with types and type checking. TypeScript code compiles to regular JavaScript code using the TypeScript compiler. All of the valid JavaScript code that you write is also valid TypeScript code. TypeScript allows you to use static typing and compile features in plain JavaScript. With this strategy in mind, TypeScript can generate code that is supported by all browsers.
The power of TypeScript is that it allows the developer to write applications for both the client side and server side with Node.js. It is also an interesting fact that the TypeScript compiler is itself written in TypeScript!
Before you start writing TypeScript code, you need to configure the environment by installing TypeScript itself and its dependencies...