Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

JavaScript JavaScript Loops, Arrays and Objects Tracking Multiple Items with Arrays Create an Array

gregory gordon
seal-mask
.a{fill-rule:evenodd;}techdegree
gregory gordon
Full Stack JavaScript Techdegree Student 14,652 Points
Posted by gregory gordon
.a{fill-rule:evenodd;}techdegree
gregory gordon
Full Stack JavaScript Techdegree Student 14,652 Points

create an array with variable data and 3 numbers in it?

i dont understand what i am doing wrong?

script.js 
var data = ['123',
            '23',
            '44'
           ];
index.html 
<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>JavaScript Loops</title>
</head>
<body>
<script src="script.js"></script>
</body>
</html>

2 Answers

Jonathan Grieve
MOD
Jonathan Grieve
Treehouse Moderator 91,253 Points
Jonathan Grieve
Jonathan Grieve
Treehouse Moderator 91,253 Points

You're declaring your numbers as strings. When you add number you don't need to put quotes around then. In fact, when you do, your browser will interpret them as a string of text. :-)