JS prototypes

Question 1

What kind of inheritance does the JavaScript programming language use?

Answer 1

prototypal inheritance: an object “inherits” properties from another object via the prototype linkage.

Question 2

What is a prototype in JavaScript?

Answer 2

• object that objects that can build off of

- Prototypes are the mechanism by which JavaScript objects inherit features from one another.

Question 3

How is it possible to call methods on strings, arrays, and numbers even though those methods don’t actually exist on objects, arrays, and numbers?

Answer 3

objects can have a prototype object, which acts as a template object that it inherits methods and properties from.

grabbing from prototypes

Question 4

If an object does not have it’s own property or method by a given key, where does JavaScript look for it?

Answer 4

on the prototypes