Typecast.js :: Solving the simple problems
A simple helper to extract values from a string based on a pattern.
Date() for humans
Easily format numbers for display use. Replace numbers inline in a document, or return a formatted number for other uses.
JS string formatter that supports objects, currency, date/time, decimals, and more supports easy extension and garbage collection ... goes far beyond sprintf approach.
Console messages for cool kids
This script is the defacto way to enable use of HTML5 sectioning elements in legacy Internet Explorer.
Small, fast, awesome. The only ES5-ish set of polyfills (shims) you can mix-and-match because they're individual AMD modules.
Tired of adding prefix for each broswer when it comes to the new css3 attributes?