Awesome

Accounting.js is a tiny JavaScript library for number, money and currency formatting

Provides an easy-to-use Rails 3.1 asset for Accounting.js

Install

Add it to your Rails application's Gemfile:

gem 'accountingjs-rails'

Then bundle install.

Usage

Add the following to your app/assets/javascripts/application.js:

//= require accountingjs

Then you can:

// formatMoney() - format any number into currency
accounting.formatMoney(4999.99, "€", 2, ".", ","); // €4.999,99

// formatNumber() - format a number with custom precision and localisation
accounting.formatNumber(9876543.21, 3, " "); // 9 876 543.210

// toFixed() - better rounding for floating point numbers
accounting.toFixed(0.615, 2); // "0.62"

// unformat() - get a value from any formatted number/currency string
accounting.unformat("£ 12,345,678.90 GBP"); // 12345678.9

See the full usage details on the accounting.js site.