WebIDL
Web IDL, short for Web Interfaces Description Language, is a formal language used to describe the interfaces of web platform APIs and how they are exposed to JavaScript in browsers. It provides a precise, machine-readable description of objects, their methods, properties, constants, and the types they use. Web IDL specifications describe the surface area of web APIs so that browser implementations can generate the appropriate bindings to the JavaScript environment.
The language defines several core concepts, including interfaces, interface mixins, dictionaries, enums, typedefs, and callbacks. Interfaces
Usage and role in the web ecosystem: Web IDL files appear in web specifications to declare the
Relationship to JavaScript and the web platform: Web IDL is not a programming language for applications; it