return obj keys

gistfile1.js

//return obj keys
$.extend({
    keys:    function(obj){
        var a = [];
        $.each(obj, function(k){ a.push(k) });
        return a;
    },
    eys:    function(obj){
        return 'test';
    }
})

 

// Usage:
var obj = {a: 1, b: 2, c: 3, d: 4, jquery: 'noob'}
console.log($.eys(obj));    // a,b,c,d,jquery