assignment.js

class Student { constructor (name, ranking) { this.name = name; this.ranking = ranking; } } describe() { return ${this.name} achieves ${this.ranking}.; } }

class Cohort { constructor (name) { this.name = name; this.classrom = []; } }

add student (student) { if (student instance of student){ this.studnets.push (student); } } else { throw new Error(You can only add an instance of Student.Argument is not a student: ${student});

}

describe(){ return {this.name} has ${this.students.length} students.;

}

class Menu { constructor() { this.cohorts = [] this.selectedCohort = null; } } Start() { let selection = this.showMainMenuOptions(); while (selection (selection != 0)) { switch (selection) { case "1" : this.createCohort(); break; case "2" : this.viewCohort(); break; case "3" : this.deleteCohort(); break; case "4" : this.displayCohort(); break; default: selection = 0; } }

} selection = this.showMainMenuOptions } alert ("Goodbye.");

showMainMenuOptions() { return prompt (` 0) exit

1. create new cohort
2. view cohort
3. delete cohort
4. display all cohorts `); }