learning$js

.hasOwnProperty()

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Term side of the Card
Topic: Object
Unit title: .hasOwnProperty()
Categories: Method
Explanation side of the Card

Explanation: The method that returns a boolean indicating whether the object has the specified property as its own, rather than inheriting it. This is useful for checking if a property exists directly on the object.

Browser compatibility:
  • The chrome browser supports this feature starting from version 1
  • The edge browser supports this feature starting from version 12
  • The firefox browser supports this feature starting from version 1
  • The safari browser supports this feature starting from version 3
Availability: