zeitjs is a javascript library for using logical time values in JavaScript.
It modifies Number.prototype
to add properties on to a number.
$ npm install --save zeitjs
# Coffeescript
require 'zeitjs'
console.log 3.minutes
# => 180000
// Javascript
require('zeitjs');
console.log(3..minutes)
// => 180000
console.log(3.5.minutes)
// => 210000