In computer science, the term "object-based" has two different, incompatible senses:

1. A somehow limited version of object-oriented programming where one or more of the following restrictions applies:
   • there is no implicit inheritance
   • there is no polymorphism
   • only a very reduced subset of the available values are objects (typically the GUI components)
2. Prototype-based systems (i.e., those based on "prototype" objects which are not instances of any class)

Visual Basic is an example of a language that is object-based in the first sense of the term, JavaScript in the second.

See also

• Object-based language

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