Number Packages

.round, .ceil, .floor with precision parameter: .round(1.234, 2) → 1.23

Pad numbers with zeros. Automatically pad the number of digits based on the length of the array, or explicitly pass in the number of digits to use.

A fast way to check if the object has a specific number of properties.

JavaScript awesome yet another assertion module

A better random number generator

ES2015-compliant shim for Number.isNaN - the global isNaN returns false positives.

Returns an integer corresponding to the unbiased exponent of a double-precision floating-point number.

JSON languages object.

A configurable custom input number type for GraphQL with sanitization and validation.

A input number component of responsive-ui.

A react component to format phone numbers. Fork from https://github.com/bl00mber/react-phone-input-2

A phone number input made with Vue JS && libphonenumber-js

Convert milliseconds to a human readable string: `1337000000` → `15d 11h 23m 20s`

Common `crypto` snippets (generate random bytes, salt, hash password, etc)

find out if a number is prime or not

react-phone-input-2 with startsWith polyfill

A cryptographically secure generator for random numbers in a range.

Force a numerical value to be within bounds, or a safe default.

Format thousands and decimals with custom separator: 1.000.000,00

Performance-oriented decimal.js replacement for incremental games.