number negative infinity - nberlette/is GitHub Wiki
@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