JS: Number.isFinite
Number.isFinite(number)
-
- If Type of number is not number, return
false
. - If number is not any of
NaN
,Infinity
,-Infinity
, returntrue
. Else,false
.
- If Type of number is not number, return
console.log(Number.isFinite(3)); console.log(Number.isFinite(3.4)); console.log(Number.isFinite("3") === false); console.log(Number.isFinite(Infinity) === false); console.log(Number.isFinite(NaN) === false);