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 Callback Functions in JavaScript Callbacks with Timers Using a Repeat Timer with setInterval

Posted by Saud Tauqeer
Saud Tauqeer
Courses Plus Student 8,099 Points

Line number 3 of the code from the video. need some help. thank you

Someone please clarify me how does the function getTime(); is working, why make a if statement?

1 Answer

Steven Parker
Steven Parker
231,261 Points
Steven Parker
Steven Parker
231,261 Points

The "if" in "getTime" just makes sure that the output will always be 2 digits. If the value is less than 10, it puts an extra "0" in front.