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 Data Using Objects JavaScript Object Notation

Diego Marrs
Diego Marrs
8,243 Points
Posted by Diego Marrs
Diego Marrs
8,243 Points

Loop through arrays in objects.

Before I begin I want to specify that I mean arrays in objects like this:

var object = [
    {
        item: one
    },
    {
        item: two
    },
    {
        item: three
    }
]

Not this like this:

var object = [
    array: [1,2,3]
]

How would I be able to retrieve information from an array of variables in an object like the first example?

1 Answer

Martin Zarate
Martin Zarate
10,723 Points

Here is a simple example:

var object = [
    {
      first: "hello"
    },
    {
      other: "two"
    }
]

var output = object[0].first;

alert(output);

I hope this helps you implement the idea into your project. Cheers.