isNumber | /libs/is-number.ts | yano3nora_tsutils@v0.29.0

Module

x/yano3nora_tsutils/libs/is-number.ts>isNumber

TypeScript Utilities as a npm dual package by Deno.

yano3nora/ts-utils

Latest

number-2-alphabets.ts

object-key-by-value.ts

objectKeyByValue

object-keys-by-value.ts

percent-weighted-avg.ts

wait-until-or-fail.ts

waitUntilOrFail

variable isNumber

import { isNumber } from "https://deno.land/x/yano3nora_tsutils@v0.29.0/libs/is-number.ts";

isNumber - 数値かどうかを検査する

true

isNumber(0) isNumber(1) isNumber(-1) isNumber(1.5) isNumber(-1.5)

false

isNumber(null) isNumber(undefined) isNumber(NaN) isNumber('1') isNumber(true) isNumber(false) isNumber(new Date()) isNumber(Infinity) isNumber(-Infinity) isNumber([]) isNumber({}) isNumber(Symbol('foo'))

BigInt 未対応

isNumber(2n ** 53n) // false

type

(value: any) => value is number