isNegativeNumber | /number/is_negative_number.ts | isx@1.5.0

Using Deno in production at your company? Earn free Deno merch.

Collection of validation functions for JavaScript data

TomokiMiyauci/isx

Latest

is_even.ts

isEven

is_negative_number.ts

isNegativeNumber

is_non_negative_integer.ts

isNonNegativeInteger

is_non_negative_number.ts

isNonNegativeNumber

is_non_positive_number.ts

isNonPositiveNumber

is_odd.ts

isOdd

is_positive_integer.ts

isPositiveInteger

is_positive_number.ts

isPositiveNumber

is_unit_interval.ts

isUnitInterval

function isNegativeNumber

Deprecated

use numeric::isNegativeNumber

import { isNegativeNumber } from "https://deno.land/x/isx@1.5.0/number/is_negative_number.ts";

Deprecated

use numeric::isNegativeNumber

isNegativeNumber(input: number): boolean

Whether the input is negative number or not.

Examples

Example 1

import { isNegativeNumber } from "https://deno.land/x/isx@$VERSION/number/is_negative_number.ts"
import { assertEquals } from "https://deno.land/std/testing/asserts.ts"
assertEquals(isNegativeNumber(-1), true)
assertEquals(isNegativeNumber(0), false)

Parameters

input: number

Any number.

Returns

boolean