areDefined()
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areDefined()
Checks whether the values are defined by using every()
, forEach()
and some()
methods of the returned object.
CommonPayload
extends
object
The CommonPayload
generic type variable constrained by the constrains the generic type variable Payload
of each returned method.
...values: any[]
A rest parameter of type to check whether its elements are defined.
The return value is an of , and as methods of checking supplied .