Dinero.js is a library for working with monetary values in JavaScript.
Features
accounting.js is a tiny JavaScript library for number, money and currency formatting, with optional excel-style column rendering (to line up symbols and decimals). It's lightweight, fully localisable and has zero dependencies.
autoNumeric is a jQuery plugin that automatically formats currency 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).
maskMoney is a jQuery plugin to mask data entry in the input text in the form of money (currency).