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.

Matthias Nörr
8,614 Points"Useful Array Methods": Why does the teacher use the .join() - method?
Could we not just write:
print(inStock);
The .join() - method seems not needed?!
2 Answers

Michael Davis
Courses Plus Student 12,508 Pointsvar myPets = ["dog", "cat", "hamster", "fish"];
print(myPets); // This prints "dog,cat,hamster,fish"
print(myPets.join(", ")); // This prints "dog, cat, hamster, fish"
Hope that helps :-)

Matthias Nörr
8,614 PointsCool. Thanks!
Matthias Nörr
8,614 PointsMatthias Nörr
8,614 PointsThanks. So it is just more user friendly and reads better?!
Michael Davis
Courses Plus Student 12,508 PointsMichael Davis
Courses Plus Student 12,508 PointsEssentially yes. The
.join()
method could be used with anything.Example: