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isNil (
val:
) : *booleandetermines whether val reference is null or undefined.
Example
Argument
val:
* Returns
boolean
Test Summary
#isNil() should return true if null is passed | Pass |
#isNil() should return true if undefined is passed | Pass |
#isNil() should return false as an empty string was passed | Pass |
#isNil() should return false as an empty object was passed | Pass |
#isNil() should return false as a number was passed | Pass |