var michelle = {
    name: 'Michelle',
    points: 2000,
    isActive: true,
    courses: ['Intro JS', 'JS avanzado', 'JS master']
};
var alexandra = {
  name:'Alexandra',
  points: 4100,
  isActive: true,
  courses: ['Instro JS', 'Intro UX', 'UX master']
};
var andrea = {
  name: 'Andrea',
  points: 800,
  isActive: false,
  courses: ['Intro JS', 'JS avanzado']
};

var students = [michelle, alexandra, andrea];
for (var i = 0; i < students.length; i++) {
  console.log(students[i].isActive)
}