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JavaScript JavaScript Loops, Arrays and Objects Tracking Data Using Objects The Build an Object Challenge, Part 2

Bernard Bond
Bernard Bond
3,302 Points
Posted by Bernard Bond
Bernard Bond
3,302 Points

This is how I answered the solution. Any ways to improve this code?

var students = [ { name: 'Dave', track: 'Front End Development', achievements: 158, points: 14730 }, { name: 'Jody', track: 'iOS Development with Swift', achievements: '175', points: '16375' }, { name: 'Jordan', track: 'PHP Development', achievements: '55', points: '2025' }, { name: 'John', track: 'Learn WordPress', achievements: '40', points: '1950' }, { name: 'Trish', track: 'Rails Development', achievements: '5', points: '350' } ];

var message = ''; function print(message){ var div = document.getElementById('output'); div.innerHTML = message; return message; }

for (var i = 0; i < students.length; i++) { message += '<p><br><strong>Student</strong>: ' + students[i].name + '</p></br>'; message += '<p>Track: ' + students[i].track + '</p>'; message += '<p>Achievement: ' + students[i].achievements + '</p>'; message += '<p>Points: ' + students[i].points; + '</p>'; }

print(message);

Steven Parker
Steven Parker
231,248 Points
Steven Parker
Steven Parker
231,248 Points

A big improvement would be to display it with proper formatting. :laughing:

Use the instructions for code formatting in the Markdown Cheatsheet pop-up below the "Add an Answer" area. :arrow_heading_down:

3 Answers

Snehith Reddy
Snehith Reddy
1,301 Points
Snehith Reddy
Snehith Reddy
1,301 Points 
var student = [
 {student :'Sarah', track : 'IOS', achievement : '500', points :'1500'},
 {student :'Mark', track : 'Android', achievement : '200', points :'1200'},
 {student :'Russel', track : 'Java', achievement : '300', points :'1300'},
 {student :'Lindsey', track : '.Net', achievement : '600', points :'1600'},
 {student :'Carmen', track : 'ASP', achievement : '100', points :'1100'}
]

for (i=0; i < student.length ; i++){
  document.write('<b>Student: ' + student[i].student + '</b>');
  document.write('<br>'+ 'Track: ' + student[i].track);
  document.write('<br>'+ 'Achievement: '+ student[i].achievement);
  document.write('<br>'+ 'Track: ' + student[i].points);
  document.write('<br><br>');
}

Looks primitive, but this is how i did it and i'm pretty sure that's how the OP did it too.

Jerry Wu
Jerry Wu
1,845 Points
Jerry Wu
Jerry Wu
1,845 Points

This is what I did. Which is almost identical to what you have. However, I feel like storing the function in a variable is redundant so I just left the function alone, declared a variable HTML (like the previous lessons), and then had the loop += to the HTML variable.

function print(message){
  var outputDiv = document.getElementById('output');
  outputDiv.innerHTML = message;
}

var HTML = '';

var students = [
  {
   Name: 'Jerry',
   Track: 'Front End Development',
   Achievements: 10,
   Points: 1216
  },
  {
   Name: 'Angelica',
   Track: 'iOS',
   Achievements: 8,
   Points: 1000
  },
  {
   Name: 'Robert',
   Track: 'Full Stack Developer',
   Achievements: 47,
   Points: 17000
  },
  {
   Name: 'Jordan',
   Track: 'Front End Developer',
   Achievements: 7,
   Points: 900
  },
  {
   Name: 'Kai',
   Track: 'Full Stack Developer',
   Achievements: 36,
   Points: 14000
  }
];

for (var i = 0; i < students.length; i++){
  HTML += '<br>'
  HTML += '<b>Student: ' + students[i].Name + '</b><br>';
  HTML += 'Track: ' + students[i].Track + '<br>';
  HTML += 'Achievements: ' + students[i].Achievements + '<br>';
  HTML += 'Points: ' + students[i].Points + '<br>';
}

print(HTML);
Steven Parker
Steven Parker
231,248 Points
Steven Parker
Steven Parker
231,248 Points

You could use template interpolation.

I'm not sure if it actually qualifies as "improvement", but:

for (let i=0; i < student.length ; i++){
  let s = student[i];
  document.write(`<b>Student: ${s.student}</b>`);
  document.write(`<br>Track: ${s.track}`);
  document.write(`<br>Achievement: ${s.achievement}`);
  document.write(`<br>Track: ${s.points}`);
  document.write('<br><br>');
}