Bignumber.js
A JavaScript library for arbitrary-precision decimal and non-decimal arithmetic
Object.observe
Object.observe polyfill/shim trying to be compliant
Length.js
📏 JavaScript library for length units conversion.
Args.js
Create javascript functions with optional, default, grouped and named parameters.
Klass
a utility for creating expressive classes in JavaScript
Moment
Parse, validate, manipulate, and display dates in javascript.
Numeral
A javascript library for formatting and manipulating numbers.
Date
Date() for humans
Angled Edges
:triangular_ruler: Quickly create angled section edges using only Sass
Dayjs
⏰ Day.js 2KB immutable date library alternative to Moment.js with the same modern API
Underscore String
String manipulation extensions for Underscore.js javascript library.
Decimal.js
An arbitrary-precision Decimal type for JavaScript
Datejs
Datejs is an open-source JavaScript Date Library.
Console.message
Console messages for cool kids
Xregexp
Extended JavaScript regular expressions
String.js
Extra JavaScript string methods.