What’s the Difference Between Class & Prototypal Inheritance? - Deepstash
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What’s the Difference Between Class & Prototypal Inheritance?

  • Class Inheritance: A class is like a blueprint — a description of the object to be created. Classes inherit from classes and create subclass relationships: hierarchical class taxonomies.
  • Prototypal Inheritance: A prototype is a working object instance. Objects inherit directly from other objects.

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Class Inheritance Causes Many Problems

  • The tight coupling problem (class inheritance is the tightest coupling available in oo design), which leads to the next one…
  • The fragile base class problem
  • Inflexible hierarchy problem (eventually, all evolving hierarchies ar...

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There Are Three Kinds of Prototypal OO

  • Concatenative inheritance: The process of inheriting features directly from one object to another by copying the source objects properties. 
  • Prototype delegation: If a property is not found on the object, the lookup is delegated...

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