student-assignment-solution-1.js

const students = [
  {
    id: '1',
    isSelected: true,
    name: 'Mike',
  },
  {
    id: '2',
    isSelected: false,
    name: 'Jane',
  },
  {
    id: '3',
    isSelected: false,
    name: 'Suren',
  },
];

let updatedStudents = [...students];
const handleAssignStudentChange = (studentId, isSelected) => {
  updatedStudents = updatedStudents.map((student) => {
    if (student.id === studentId) {
      return {
        ...student,
        isSelected: isSelected,
      };
    }
    return student;
  });
};

const getIsChanged = (students, updatedStudents) => {
  const studentsLen = students.length;
  for (let i = 0; i < studentsLen; i++) {
    if (students[i].isSelected !== updatedStudents[i].isSelected) {
      return true;
    }
  }
  return false;
};

console.log(updatedStudents);
let isChanged = getIsChanged(students, updatedStudents);
console.log({ isChanged }); // false
handleAssignStudentChange('2', true);
isChanged = getIsChanged(students, updatedStudents);
console.log(updatedStudents);
console.log({ isChanged }); // true