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 trialTre Bu
1,521 PointsWhy is the return needed?
When Dave does return Math.floor....
Why do you need the return? I know when you do not use the return in the console it will say that line is undefined when you call the function, but I do not see why the return is necessary.
1 Answer
Steven Parker
231,236 PointsIt's the "return" statement that passes the value back to point in the code where the function was called. Any function that ends without using a "return" statement will always have a value of "undefined".