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Is there a meaningful ? I.e., what does classical inheritance get you that prototypes-under-the-hood don't? For a programmer using classes, that ES's are impl
by colbyAFTrustedK 10y ago
Is there a meaningful ? I.e., what does classical inheritance get you that prototypes-under-the-hood don't? For a programmer using classes, that ES's are implemented using prototypes should be as important has how the JVM works.
- robocat 10y agoClassical inheritance enforces that a method can only be overridden by another method in a subclass. Prototypical "inheritance" allows different types of values to be assigned to the same symbol. E.g. if you have a method bob() on a prototype, you can set object.bob = 'astring'; and it isn't an error.
- colbyAFTrustedK 10y agoThat has more to do with a language opting out of having fixed types than it does with class-based versus prototype-based inheritance.