Javascript sugar: get your keys or values of an object

gistfile1.js

//lo sauer '12
var o={a: 1, b: 2, c: 3},k
//#1 method
for(k[k.length] in k=[],o); //keys
//>k:
//> ["a", "b", "c"]
#2 elegant
Object.keys(o)
//> ["a", "b", "c", "i", "length"]
Object.getOwnPropertyNames(o)
//>["c", "length", "i", "b", "a"]

//to get values no sugar-version exists
var v=[]
for(var i in o)v.push(o[i]);