lodash filter object keys

1var user = {
2  "first_name":"taylor",
3  "last_name":"hawkes",
4  "full_name": "taylor hawkes"
5};
6
7var userCleaned = _.pickBy(user, function(value, key) {
8  return (key === "first_name" || key === "last_name");
9});
10
11//userCleaned is now:
12//{
13//   "first_name": "taylor",
14//   "last_name": "hawkes"
15//}

1const arr = [
2  {},
3  { hello: null },
4  { hello: false },
5  { hello: 0 },
6  { hello: 'world' }
7];
8
9_.filter(arr, 'hello'); // [{ hello: 'world' }]