Number.isFinite()
The Number.isFinite() method determines whether the passed value is a finite number — that is, it checks that a given value is a number, and the number is neither positive Infinity, negative Infinity, nor NaN.
Syntax
Number.isFinite(value)
Parameters
value- : The value to be tested for finiteness.
Return value
The boolean value true if the given value is a finite number. Otherwise false.