Intro o - is simple lightweight JavaScript library for basic object manipulation. Compressed and gzipped weights around 0,5 kb. It should work on IE 5.5 and latter. Also there is lite version that doesn't make hasOwnProperty check that will run faster and with less code. Download the source code on GitHub -add: Adding methods to the object: Example: var o1 = {a:1, b:"jdlsakjd", c:[1,2,3], d:{a:1,b