Extra challenge

var search = '';
var studentList = '';
var resultsMessage = '';
var resultCount = 0;
var student;

function print(message) {
  var outputDiv = document.getElementById('output');
  outputDiv.innerHTML = message;
}

function getReport(student) {
  var report = '<h2>Student: ' + student.name + '</h2>';
  report += '<p>Track: ' + student.track + '</p>';
  report += '<p>Points: ' + student.points + '</p>';
  report += '<p>Achievements: ' + student.achievements + '</p>';
  return report;
}

while (true) {
  search = prompt("Search for a student (e.g. 'Dave') or type 'quit' to exit");
  if (search === null || search.toLowerCase() === "quit") {
    break;
  }

  for (var i = 0; i < students.length; i += 1) {
    student = students[i];
    if (student.name.toLowerCase() == search.toLowerCase()) {
      resultCount += 1;
      studentList += getReport(student);
    }
  }

  resultsMessage = "We found " + resultCount + " student(s) named " + search; 
  print(resultsMessage + studentList);

}