instructorWithLongestName.js

const instructorWithLongestName = function(instructors) {
  let sorted = instructors.sort(function(a, b) {

    return b.name.length - a.name.length;
});
  return sorted[0];
};

console.log(instructorWithLongestName([
  {name: "Samuel", course: "iOS"},
  {name: "Jeremiah", course: "Web"},
  {name: "Ophilia", course: "Web"},
  {name: "Donald", course: "Web"}
]));
console.log(instructorWithLongestName([
  {name: "Matthew", course: "Web"},
  {name: "David", course: "iOS"},
  {name: "Domascus", course: "Web"}
]));