switching between help and code window

I just found out how to have help open and the code editor open at the same time from an answer to this question: Opening Xcode help file and application at the same time

In Windows, Alt+Tab switched me back and forth to my hearts content.开发者_运维技巧 Here, Alt tab bring up the next open application (happens to be Firefox in my case).

How do I switch between the Xcode window and the help window?

Cmd+` and Cmd+Shift+` will switch back and forth between windows within a Mac application.

You can also use F10 to see all of the application's windows in a zoomed out view and pick one to focus with the mouse or keyboard.