var objects = [ { 'a': 1, 'b': 2, 'c': 3 }, { 'a': 4, 'b': 5, 'c': 6 } ];
_.filter(objects, _.matches({ 'a': 4, 'c': 6 })); // => [{ 'a': 4, 'b': 5, 'c': 6 }]