isClass()
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isClass()
Checks if value is a type or the type obtained from its equal to 'function'
and an instance of . It also confirms it's a by checking whether the converted with to string
contains the word class
at the beginning.
Class
=
Function
Payload
extends
object
=
object
value: any
callback: ResultCallback<any, Payload>
payload?: Payload
value is
Class
The Class
generic type variable indicates the type of the given via the , by default .
The Payload
generic type variable constrained by indicates the type of optional parameter of the supplied function and optional parameter of the function from which it captures its value.
The value of type to check.
A callback function
of type with parameters, the that has been checked, the of this check, and of generic type variable with optional properties from the provided , to handle them before the return. By default, it uses function.
An optional of the generic type variable is assigned to the of the given function.
The return type is a as the result of its statement indicating the is a generic type variable by default .
The return value is a indicating whether the provided is a .