text: "use strict";
  
  var students = [
      { id: 260, name: "Kyle" },
      { id: 729, name: "Susan" },
      { id: 42, name: "Frank" },
      { id: 74, name: "Jessica" },
      { id: 491, name: "Ally" }
  ];
  
  function getStudentsByName(students) {
      students = students.slice();
      return sortStudentsByName();
  
      function sortStudentsByName() {
          // Don't modify this function
          students.sort(function byName(s1,s2){
              if (s1.name < s2.name) return -1;
              else if (s1.name > s2.name) return 1;
              else return 0;
          });
          return students;
      }
  
  
  }
  
  // modify/move this function
  function sortStudentsByID() {
      // Don't modify this function
      students.sort(function byID(s1,s2){
          return s1.id - s2.id;
      });
      return students;
  }
  
  function getStudentsByID(curStudents) {
      var originalStudents = curStudents.slice();
      var sortedStudents = sortStudentsByID();
      students = originalStudents;
  
      return sortedStudents;
  }
  
  // *************************************
  
  var studentsTest1 = getStudentsByName(students);
  console.log(studentsTest1[0].name === "Ally");
  console.log(studentsTest1[1].name === "Frank");
  console.log(studentsTest1[2].name === "Jessica");
  console.log(studentsTest1[3].name === "Kyle");
  console.log(studentsTest1[4].name === "Susan");
  
  var studentsTest2 = getStudentsByID(students);
  console.log(studentsTest2[0].id === 42);
  console.log(studentsTest2[1].id === 74);
  console.log(studentsTest2[2].id === 260);
  console.log(studentsTest2[3].id === 491);
  console.log(studentsTest2[4].id === 729);
  
  var studentsTest3 = students;
  console.log(studentsTest3[0].id === 260 && studentsTest3[0].name === "Kyle");
  console.log(studentsTest3[1].id === 729 && studentsTest3[1].name === "Susan");
  console.log(studentsTest3[2].id === 42 && studentsTest3[2].name === "Frank");
  console.log(studentsTest3[3].id === 74 && studentsTest3[3].name === "Jessica");
  console.log(studentsTest3[4].id === 491 && studentsTest3[4].name === "Ally");
  