function isNumber
Usage in Deno
import { isNumber } from "node:util";
isNumber(object: unknown): object is number
Deprecated
Since v4.0.0 - Use typeof value === 'number' instead.
Returns true if the given object is a Number. Otherwise, returns false.
import util from 'node:util';
util.isNumber(false);
// Returns: false
util.isNumber(Infinity);
// Returns: true
util.isNumber(0);
// Returns: true
util.isNumber(NaN);
// Returns: true
object is number