number negative infinity

@nick/is/number/negative-infinity

isNegativeInfinity

Signature

function isNegativeInfinity(it: unknown): it is NegativeInfinity;

Parameters

Name	Info
it	The value to check.

Returns

true if the value is negative infinity, false otherwise.

Category

Numbers

Tags

number negative infinity

Examples

import { isNegativeInfinity } from "@nick/is/number/infinity";

console.log(isNegativeInfinity(Infinity)); // false
console.log(isNegativeInfinity(-Infinity)); // true
console.log(isNegativeInfinity(1)); // false
console.log(isNegativeInfinity(-1)); // false
console.log(isNegativeInfinity(NaN)); // false

NegativeInfinity

Signature

export type NegativeInfinity = -Infinity;

Special type representing negative infinity (Number.NEGATIVE_INFINITY).

Category

Numbers

Tags

types number infinity negative