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Module

x/isx/number/is_negative_number.ts>isNegativeNumber

Collection of validation functions for JavaScript data
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function isNegativeNumber
import { isNegativeNumber } from "https://deno.land/x/isx@1.1.1/number/is_negative_number.ts";

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