A better way to use localStorage and sessionStorage
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**).
Date() for humans
Tired of adding prefix for each broswer when it comes to the new css3 attributes?
A fast & lightweight polyfill for min/max-width CSS3 Media Queries (for IE 6-8, and more)
A lightweight engine that allows you to hitch new capabilities to the browser (prollyfill).
Tiny polyfill for the placeholder form element attribute. Requires Prototype.js.