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polymorphism js

Modern Mink answered on August 2, 2021 Popularity 10/10 Helpfulness 1/10

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polymorphism js

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Perhaps in JavaScript, it is a bit more difficult to see the effects of polymorphism because the more classical types of polymorphism are more evident in static type systems, whereas JavaScript has a dynamic type system.

So, for instance, there is no method or function overloading or automatic type coercions at compile time in JavaScript. In a dynamic language, we take most of these things for granted. Neither we need something like parametric polymorphism in JavaScript due to the dynamic nature of the language.

Still, JavaScript has a form of type inheritance that emulates the same ideas of subtype polymorphism (classified as inclusion polymorphism by Cardelli above) in a similar way to what we typically do in other object-oriented programing languages like Java or C# (as explained in another answer I shared above).

Another form of polymorphism very typical in dynamic languages is called duck typing.

It is a mistake to believe that polymorphism is only related to object-oriented programming. Other programming models (functional, procedural, logic, etc.) offer different forms of polymorphism in their type systems, probably in a way a bit unfamiliar to those only used to OOP.

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Source: stackoverflow.com

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Contributed on Oct 06 2022

Modern Mink

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//The fancy word for the ability of multiple object types to 
//implement the same functionality is polymorphism -MDN

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: Grepper

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Contributed on Aug 02 2021

Coderwhohelps

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