`mode()`

The mode method returns the mode value of a given key:

collect([1, 3, 3, 6, 7, 8, 9]).mode();

//=> [3]

collect([
  {
    foo: 1
  },
  {
    foo: 1
  },
  {
    foo: 2
  },
  {
    foo: 4
  }
]).mode("foo");

//=> [1]

# mode()