Sort JS object by keys: https://twitter.com/rstacruz/status/380786914795585537

sort-by-key

function sortByKey(obj) {
    var newObj = {};
    Object.keys(obj).sort().forEach(function(key) {
        newObj[key] = obj[key];
    });
    return newObj;
}

var obj = {
    b: 2,
    a: 1,
    c: 3
};

sortByKey(obj);