Creates functions for testing if a value "is" (or "is not") a value.This function is valid in v2.13.0 to v2.13.1. This function has been downloaded 6 times.
valueis an array, the returned function will check the passed value against all of the items within
value. The function will return a boolean value when called indicating if it matches
valueor not (also depending on the value of
This function requires the following function which is included automatically: