TypeScript
Programming language
Wikipedia
A programming language introduced by Microsoft in 2012 and positioned as a web application development tool that extends the capabilities of jаvascript. The developer of the TypeScript language is Anders Heilsberg, who previously created Turbo Pascal, Delphi and C#.
Year of release: 2012
Website: typescriptlang.org

Popular questions

What is a type script?
TypeScript is a popular static type checker or typed superset for jаvascript, a tool developed by Microsoft and adding a type system to the flexibility and dynamic capabilities of jаvascript.

Why do I need typescript?
TypeScript differs from jаvascript by the possibility of explicit static assignment of types, support for the use of full-fledged classes (as in traditional object-oriented languages), as well as support for connecting modules, which is designed to increase the speed of development, facilitate readability, refactoring and code reuse...

What is the type of function in typescript?
Each function has a type, just like regular variables. The function type actually represents a combination of parameter types and return value type. In general, the definition of the function type looks like this: ? 1. (parameter 1: type, parameter 2: type,... parameters: type) = result type.