learning$js

.size

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Term side of the Card
Topic: Set
Unit title: .size
Categories: Property
Explanation side of the Card

Explanation: The property that returns the number of unique elements contained in the `Set` object. It's a read-only property that reflects the current number of elements.

Browser compatibility:
  • The chrome browser supports this feature starting from version 38
  • The edge browser supports this feature starting from version 12
  • The firefox browser supports this feature starting from version 19
  • The safari browser supports this feature starting from version 8
Availability: