Just use class keyword!
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes
JavaScript classes, introduced in ECMAScript 2015, are primarily syntactical sugar over JavaScript’s existing prototype-based inheritance. The class syntax does not introduce a new object-oriented inheritance model to JavaScript.
The prototype syntax was used before the class keyword was introduced.
A common misunderstanding is considering prototype inheritance as special case of inheritance. In JavaScript inheritance is done by using prototype. Since JS is dynamic, you can emulate inheritance and classes in other ways, but it is almost never a good idea.
Besides, what is a class if not a prototype for sets (aka classes) of objects?