isNumber
Validates if the supplied input is a number (finite or infinite). To make sure the supplied number is a valid finite number, use isNumberFinite.
Signature
isNumber(input: any): boolean
Parameters
| Name | Type | Optional | Description |
|---|---|---|---|
input | any | No | Input to validate. |
Return value
Returns true if the input is a number.
Example
import { isNumber } from "@tripetto/runner";
isNumber(1); // Returns `true`
isNumber(Infinity); // Returns `true`
isNumber(NaN); // Returns `false`
isNumber("1"); // Returns `false`