Isnumber Packages

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

The lodash method `_.isNumber` exported as a module.

Validates if a value is a number.

Validates if a value is a number primitive, excluding NaN.

Validates if a value is a number primitive and an integer.

Validates if a value is a positive number primitive.

Validates if a value is a nonnegative number.

👺 weak but accurate type checking that returns a string representation of input's type

Validates if a value is a nonpositive number.

check if the argument is a number or not

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

Small utility to check variable types

Some missing number helper functions

Check does the given Javascript Object is a number.

Determine whether a value is a number or not.

A powerful JS framework to tell if a number is a number or a hotdog.

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

it's simplest way to detect the type

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

Test if a value is an array-like object containing only finite numbers.