console.log(isFinite(39489));
console.log(isFinite(-3.27));
console.log(isFinite(0));
console.log(isFinite(4 / 0)); // Infinity
console.log(isFinite(Number.POSITIVE_INFINITY)); // Infinity
console.log(isFinite(Number.NaN)); // Infinity
console.log(isFinite("93984"));
/*
run:
true
true
true
false
false
false
true
*/