is-number
Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.
Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.
Checks whether provided parameter looks like a number
Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)
This is a JavaScript utility. It returns `true` if the value is a string number written in fixed notation and in decimal base.
Checks whether a value is a finite number or not.
A native module for effectively validating if a value is type Number.
EcmaScript library to check value is valid number or not 🙌
Check if node's require() is working!
This is a JavaScript utility. It returns `true` if the value is a number or plain number string (not in scientific exponential notation or hexadecimal notation for instance).
Check does the given Javascript Object is a number.
Returns true if the value is a number. comprehensive tests.Study from jonschlinkert/is-number
Checks whether a value is an integer or not.
Extended functions for defining and converting data types.
Type check in TypeScript
Check if the parameter is number
ESNext type checker.
[![discordBadge](https://img.shields.io/badge/Chat-Click%20here-7289d9?style=for-the-badge&logo=discord)](https://discord.gg/ZVERh35) [![downloadsBadge](https://img.shields.io/npm/dt/fast-is-number?style=for-the-badge)](https://npmjs.com/fast-is-number) [
Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.
Simple and light-weight JavaScript type checker that brings convenience!
Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.