Actually, you can use DevTools to inspect DevTools. Hit option-command-J to bring up devtools, make sure it's in "window mode," i.e., in a separate window from

Actually, you can use DevTools to inspect DevTools. Hit option-command-J to bring up devtools, make sure it's in "window mode," i.e., in a separate window from the browser itself, and then hit option-command-J again to DevTools that DevTools. You can actually just keep recursing and inspect the previous inspector ad nauseam...