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@nodeteam/is-number@0.1.0

latest
nodeteamdev/is-number

This package is a simple utility to check if a value is a number.

This package works with Node.js, DenoIt is unknown whether this package works with Cloudflare Workers, Bun, Browsers
It is unknown whether this package works with Cloudflare Workers
This package works with Node.js
This package works with Deno
It is unknown whether this package works with Bun
It is unknown whether this package works with Browsers
JSR Score
100%
Published
a year ago (0.1.0)

is-number

Returns true if the value is a number. comprehensive tests.

Example

isNumber(5e3); //=> true
isNumber(0xff); //=> true
isNumber(-1); //=> true
isNumber(0); //=> true
isNumber(1.337); //=> true
isNumber(-1.337); //=> true
isNumber(1e-8); //=> true
isNumber(1e-80); //=> true
isNumber(0.1); //=> true
isNumber(-0.1); //=> true

isNumber('1.1.1') //=> false
isNumber('1a') //=> false
isNumber('a') //=> false
isNumber('') //=> false
isNumber(null) //=> false
isNumber(undefined) //=> false
isNumber([]) //=> false
isNumber({}) //=> false
isNumber(NaN) //=> false
isNumber(Infinity) //=> false
isNumber(-Infinity) //=> false

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Add Package

deno add jsr:@nodeteam/is-number

Import symbol

import * as is_number from "@nodeteam/is-number";
or

Import directly with a jsr specifier

import * as is_number from "jsr:@nodeteam/is-number";

Add Package

pnpm i jsr:@nodeteam/is-number
or (using pnpm 10.8 or older)
pnpm dlx jsr add @nodeteam/is-number

Import symbol

import * as is_number from "@nodeteam/is-number";

Add Package

yarn add jsr:@nodeteam/is-number
or (using Yarn 4.8 or older)
yarn dlx jsr add @nodeteam/is-number

Import symbol

import * as is_number from "@nodeteam/is-number";

Add Package

vlt install jsr:@nodeteam/is-number

Import symbol

import * as is_number from "@nodeteam/is-number";

Add Package

npx jsr add @nodeteam/is-number

Import symbol

import * as is_number from "@nodeteam/is-number";

Add Package

bunx jsr add @nodeteam/is-number

Import symbol

import * as is_number from "@nodeteam/is-number";