JavaScript Table

// define a function to hold data for a Person
function Person(name, ghID, job) {
    this.name = name;
    this.ghID = ghID;
    this.job = job;
    this.role = "";
}

// define a setter for role in Person data
Person.prototype.setRole = function(role) {
    this.role = role;
}

// define a JSON conversion "method" associated with Person
Person.prototype.toJSON = function() {
    const obj = {name: this.name, ghID: this.ghID, job: this.job, role: this.role};
    const json = JSON.stringify(obj);
    return json;
}

// make a new Person and assign to variable teacher
var teacher = new Person("Mr Yeung", "jm1021", "none");
teacher.setRole("Teacher");

// defining team 
var team = [ 
    new Person("Ishi", "Random-IGN", "Frontend Developer"),
    new Person("Shreyas", "Henerystone", "Scrum Master"),
    new Person("Lily", "lwu1822", "Backend Developer"),
    new Person("Ekam", "Ekamjot-Kaire", "DevOps")
];

// define a classroom and build Classroom objects and json
function Classroom(teacher, team){ // 1 teacher, many student
    // start Classroom with Teacher
    teacher.setRole("Teacher");
    this.teacher = teacher;
    this.classroom = [teacher];
    // add each team member to Classroom
    this.team = team;
    this.team.forEach(team => { team.setRole("Team"); this.classroom.push(team); });
    // build json/string format of Classroom
    this.json = [];
    this.classroom.forEach(person => this.json.push(person.toJSON()));
}

// make a CompSci classroom from formerly defined teacher and team members
compsci = new Classroom(teacher, team);

Classroom {
  teacher:
   Person { name: 'Mr Yeung', ghID: 'jm1021', job: 'none', role: 'Teacher' },
  classroom:
   [ Person { name: 'Mr Yeung', ghID: 'jm1021', job: 'none', role: 'Teacher' },
     Person {
       name: 'Ishi',
       ghID: 'Random-IGN',
       job: 'Frontend Developer',
       role: 'Team' },
     Person {
       name: 'Shreyas',
       ghID: 'Henerystone',
       job: 'Scrum Master',
       role: 'Team' },
     Person {
       name: 'Lily',
       ghID: 'lwu1822',
       job: 'Backend Developer',
       role: 'Team' },
     Person {
       name: 'Ekam',
       ghID: 'Ekamjot-Kaire',
       job: 'DevOps',
       role: 'Team' } ],
  team:
   [ Person {
       name: 'Ishi',
       ghID: 'Random-IGN',
       job: 'Frontend Developer',
       role: 'Team' },
     Person {
       name: 'Shreyas',
       ghID: 'Henerystone',
       job: 'Scrum Master',
       role: 'Team' },
     Person {
       name: 'Lily',
       ghID: 'lwu1822',
       job: 'Backend Developer',
       role: 'Team' },
     Person {
       name: 'Ekam',
       ghID: 'Ekamjot-Kaire',
       job: 'DevOps',
       role: 'Team' } ],
  json:
   [ '{"name":"Mr Yeung","ghID":"jm1021","job":"none","role":"Teacher"}',
     '{"name":"Ishi","ghID":"Random-IGN","job":"Frontend Developer","role":"Team"}',
     '{"name":"Shreyas","ghID":"Henerystone","job":"Scrum Master","role":"Team"}',
     '{"name":"Lily","ghID":"lwu1822","job":"Backend Developer","role":"Team"}',
     '{"name":"Ekam","ghID":"Ekamjot-Kaire","job":"DevOps","role":"Team"}' ] }

// define an HTML conversion "method" associated with Classroom
Classroom.prototype._toHtml = function() {
    // HTML Style is build using inline structure
    var style = (
      "display:inline-block;" +
      "background:black;" +
      "border: 2px solid grey;" +
      "box-shadow: 0.8em 0.4em 0.4em grey;"
    );
  
    // HTML Body of Table is build as a series of concatenations (+=)
    var body = "";
    // Heading for Array Columns
    body += "<tr>";
    body += "<th><mark>" + "Name" + "</mark></th>";
    body += "<th><mark>" + "GitHub ID" + "</mark></th>";
    body += "<th><mark>" + "Role" + "</mark></th>";
    body += "<th><mark>" + "Type:" + "</mark></th>";
    body += "</tr>";
    // Data of Array, iterate through each row of compsci.classroom 
    for (var row of compsci.classroom) {
      // tr for each row, a new line
      body += "<tr>";
      // td for each column of data
      body += "<td>" + row.name + "</td>";
      body += "<td>" + row.ghID + "</td>";
      body += "<td>" + row.job + "</td>";
      body += "<td>" + row.role + "</td>";
      // tr to end line
      body += "<tr>";
    }
  
     // Build and HTML fragment of div, table, table body
    return (
      "<div style='" + style + "'>" +
        "<table>" +
          body +
        "</table>" +
      "</div>"
    );
  
  };
  
  // IJavaScript HTML processor receive parameter of defined HTML fragment
  $$.html(compsci._toHtml());

</table></div> </div> </div> </div> </div> </div> </div>

Name	GitHub ID	Role	Type:
Mr Yeung	jm1021	none	Teacher
Ishi	Random-IGN	Frontend Developer	Team
Shreyas	Henerystone	Scrum Master	Team
Lily	lwu1822	Backend Developer	Team
Ekam	Ekamjot-Kaire	DevOps	Team