Moment
Parse, validate, manipulate, and display dates in javascript.
Dayjs
⏰ Day.js 2KB immutable date library alternative to Moment.js with the same modern API
Mathjs
An extensive math library for JavaScript and Node.js
Numeral
A javascript library for formatting and manipulating numbers.
Inversify Js
A powerful and lightweight inversion of control container for JavaScript & Node.js apps powered by TypeScript.
Underscore String
String manipulation extensions for Underscore.js javascript library.
Bignumber.js
A JavaScript library for arbitrary-precision decimal and non-decimal arithmetic
Tiny Color
Fast, small color manipulation and conversion for JavaScript
Xregexp
Extended JavaScript regular expressions
Sprintf.js
sprintf.js is a complete open source JavaScript sprintf implementation.
Decimal.js
An arbitrary-precision Decimal type for JavaScript
Big.js
A small, fast JavaScript library for arbitrary-precision decimal arithmetic.
Datejs
Datejs is an open-source JavaScript Date Library.
String.js
Extra JavaScript string methods.
Auto Numeric
autoNumeric is a jQuery plugin that automatically formats currency (money) and numbers as you type on form inputs. It supports most International numeric formats and currency signs including those used in Europe, North and South America, Asia and India (lakhs**).
Timezone Js
Timezone-enabled JavaScript Date object. Uses Olson zoneinfo files for timezone data.
Date
Date() for humans