max() : The max() method returns the maximum value of a given key:const collection = collect([
  {
    value: 10,
  },
  {
    value: -13,
  },
  {
    value: 12,
  },
  {
    unicorn: false,
  },
]);
const max = collection.max('value');
// 12
collect([-1, -2345, 12, 11, 3]).max();
// 12