What is a prototype function in Javascript

Question

Javascript

Answer 1

Te refieres a este tipo de funciones?
https://code.sololearn.com/cMnrTm5QGZZ1/?ref=app

Answer 2

JS is an Object Oriented Programming language...

roughly, there is two kind of implementing OOP: by classes, and by prototyping.

most of OOP languages uses classes, while JS use prototype... even in latest version where it has introduced the syntactic sugar of 'classes' (internally, that's still implemented using prototyping ;P

consider that both class and prototype based OOP define a blueprint used to build objects of same kind/family...

A good source reference to dive into the prototype specificities mechanic used in JS is the mdn site:

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Details_of_the_Object_Model

https://developer.mozilla.org/en-US/docs/Learn/JavaScript/Objects/Object_prototypes

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Inheritance_and_the_prototype_chain

Answer 3

when google is there...

then why asking here??

//

https://www.tutorialsteacher.com/javascript/prototype-in-javascript

https://www.w3schools.com/js/js_object_prototypes.asp

https://www.programiz.com/javascript/prototype