Object.isFrozen()

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

Explanation: The static method that determines if an object is frozen, meaning whether it's immutable. A frozen object cannot have new properties added to it and existing properties cannot be removed or changed.

Browser compatibility:
  • The chrome browser supports this feature starting from version 6
  • The edge browser supports this feature starting from version 12
  • The firefox browser supports this feature starting from version 4
  • The safari browser supports this feature starting from version 5.1
Availability: