Creates functions for testing if a value "is" (or "is not") a value.This function is valid in v2.13.0 to v2.18.1. This function has been downloaded 14 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: