Welcome to the Treehouse Community

The Treehouse Community is a meeting place for developers, designers, and programmers of all backgrounds and skill levels to get support. Collaborate here on code errors or bugs that you need feedback on, or asking for an extra set of eyes on your latest project. Join thousands of Treehouse students and alumni in the community today. (Note: Only Treehouse students can comment or ask questions, but non-students are welcome to browse our conversations.)

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today.

JavaScript JavaScript Loops, Arrays and Objects Tracking Multiple Items with Arrays Two-Dimensional Arrays

Any idea why my code isn't printing?

var playList = [ ['Sun and Moon', 'Above and Beyond'], ['Concret Angel', 'Gareth Emery'], ['A Team', 'Ed Sheeran'], ['Don\'t Carry it All', 'The Decemberists'], ['I, and Love, and You', 'The Avett Brothers'] ];

function print(message) { document.write(message); }

function printSongs( songs ) { var listHTML = '<ol>'; for ( var i = 0; i < list.length; i += 1) { listHTML += '<li>' + songs[i][0] + ' by ' + songs[i][1] + '</li>'; } listHTML += '</ol>'; print(listHTML); }

printSongs(playList);

1 Answer

Michael Liendo
Michael Liendo
15,326 Points

In your for loop, list should be changed to songs.

Also worth noting, is that you should use a different method other than print since that is a native JS method that is similar to pressing ctrl + p

Thanks!