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.

wilsonkwan
3,174 PointsWhat is the short-cut key to 'comment out' lines of code at once?
In this video tutorial it show to comment out lines of code at once, how to-do that? Thanks
4 Answers

lordcozycat
11,940 PointsCommand + / should do the trick.
Thomas Tesla
3,205 Points- Select all the required lines
- Command + /

Josh Carter
5,737 Points- Ctrl + / for Windows
- Command + / for Mac

wilsonkwan
3,174 PointsThank you ;)

Jaime Torres
8,157 PointsThanks!