JSPM

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)

A simple utility to Check the value is number or can convert to a number, for example string ' 123 ' can be converted to 123.

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.

Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc. A Typescript refactor version.

An Angular Library, that gives you a hussle free experience on data operation using pipes

Checks whether a value is an integer or not.

A native module for effectively validating if a value is type Number.

Check your types at runtime with ESNext syntax by meta programing in node.js and browser with interfaces, strict object and more.

General utility function to verify its argument looks like a number

A small JavaScript library that enhances Quality of Life by solving various problems.

The ts-is-number a utility npm package that checks if a given input is a valid finite number or a string that can be converted to a valid finite number.

Simple and light-weight JavaScript type checker that brings convenience!

A strict, fast, zero-dependency utility for checking JavaScript numbers

Type check in TypeScript

Multiplies a number by zero. Useful for when you need to multiply a number by zero.

EcmaScript library to check value is valid number or not 🙌

[](https://discord.gg/ZVERh35) [](https://npmjs.com/fast-is-number) [

Extended functions for defining and converting data types.

Check if node's require() is working!

Returns true if the value is a number. comprehensive tests.Study from jonschlinkert/is-number

Check does the given Javascript Object is a number.

Check does the given Javascript Object is a number.

check input is it input number or not

Check if the parameter is number

A JavaScript/Typescript library for fast type checking. Check if a given value is a string, number, object, ...

An utility to check if a value is a number (allowing string numbers optionally).