JSPM

Check does the given Javascript Object is a number.

General utility function to verify its argument looks like a number

EcmaScript library to check value is valid number or not 🙌

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

Extended functions for defining and converting data types.

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

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

Check does the given Javascript Object is a number.

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

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