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 Using `for in` to Loop Through an Object's Properties

Prakhar Patwa
Prakhar Patwa
11,260 Points

i did something like that

for( key in person){
  document.write((key)+" : "+person[key] +" .<br> ");

is there anything wrong?

1 Answer

6,387 Points

You could use the keyword var right before key and the key in your write-method is in brackets.