learning$js

Number.isNaN()

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Term side of the Card
Topic: Number
Unit title: Number.isNaN()
Categories: Method
Explanation side of the Card

Explanation: The static method that checks if a value is `NaN` (Not-a-Number). It returns `true` if the value is `NaN` and `false` otherwise

Browser compatibility:
  • The chrome browser supports this feature starting from version 25
  • The edge browser supports this feature starting from version 12
  • The firefox browser supports this feature starting from version 15
  • The safari browser supports this feature starting from version 9
Availability: