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 Object-Oriented JavaScript (2015) Introduction to Methods Understanding this

Andrew Robida
Andrew Robida
15,296 Points
Posted by Andrew Robida
Andrew Robida
15,296 Points

"this" quiz is annoying

really not understanding this challenge

object.js 
var contact = {
   firstName:"Andrew",
    lastName:"Chalkley",
  fullName: function() {
    var fullName=(firstName+lastName);
    console.log(this.fullName);
  };
};

1 Answer

Zoltán Rajcsányi
Zoltán Rajcsányi
6,426 Points
Zoltán Rajcsányi
Zoltán Rajcsányi
6,426 Points

The solution is that: 

var contact = {
  firstName: "Andrew",
  lastName: "Chalkley",
  fullName: function() {   
    console.log(this.firstName + " " + this.lastName);    
  }
}

A suggested you to read this article: http://www.phpied.com/3-ways-to-define-a-javascript-class/

Andrew Robida
Andrew Robida
15,296 Points
Andrew Robida
Andrew Robida
15,296 Points

thank you i figured "this" out earlier but I appreciate the help!