is-number
Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.
Found 17 results for isnan
@stdlib/math-base-assert-is-nan
Test if a double-precision floating-point numeric value is NaN.
@stdlib/assert-is-nan
Test if a value is NaN.
lodash.isnan
The lodash method `_.isNaN` exported as a module.
validate.io-nan
Validates if a value is NaN.
validate.io-nan-primitive
Validates if a value is a NaN primitive.
@stdlib/math-base-assert-is-nanf
Test if a single-precision floating-point numeric value is NaN.
@alwatr/is-number
A simple utility to Check the value is number or can convert to a number, for example string ' 123 ' can be converted to 123.
compute-isnan
Computes for each array element whether an element is NaN.
@vionemc/ts-is-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.
isnan
Test whether value is NaN
@stdlib/assert-is-nan-array
Test if a value is an array-like object containing only NaN values.
intval
Returns sensible integer value of a given variable. Unlike parseInt it will never return NaN and you can set a default value to be returned in case the variable is undefined! Hence you can write even cleaner code. So if it's supposed to be an integer, cas
ts-is-number
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.
fast-is-number
[](https://discord.gg/ZVERh35) [](https://npmjs.com/fast-is-number) [
multiply-by-zero
Multiplies a number by zero. Useful for when you need to multiply a number by zero.
wirecheck
A JavaScript/Typescript library for fast type checking. Check if a given value is a string, number, object, ...