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**).
Object.observe polyfill/shim trying to be compliant
Date() for humans
⏰ Day.js 2KB immutable date library alternative to Moment.js with the same modern API
Legacy support for the CSS3 Flexible Box Model