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


James Parker
James Parker
7,027 Points

Doctype lowercase and uppercase

I've seen <!DOCTYPE html> and <!doctype html> (Dreamweaver) is a correct way? I'm just a little confused.

1 Answer

Steven Parker
Steven Parker
230,248 Points

According to the W3C DOM living standard, your first example is the correct one.