learning$js

instanceof

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Term side of the Card
Topic: Syntax
Unit title: instanceof
Categories: Keyword
Explanation side of the Card

Explanation: The keyword that checks if an object belongs to a specific prototype chain. It compares the prototype property of a constructor with the prototype chain of the object, returning a boolean value. Commonly used for type checking in object-oriented programming.

Browser compatibility:
  • The chrome browser supports this feature starting from version 3
  • The edge browser supports this feature starting from version 12
  • The firefox browser supports this feature starting from version 3.5
  • The safari browser supports this feature starting from version 4
Availability: