I HAVE WANTED TO DO THIS A FEW TIMES BEFORE, but never bad enough to pursue a solution:
Have you ever wanted to have a script toggle the Formatting Bar on/off in browse mode? If so, you will discover that FileMaker does not provide a “Show/Hide Formatting Bar” script step.
Follow the link to see the solution. It’s not overly intuitive, but it is a workaround that does the job. Thanks to Kevin Franks and Jason Delooze for the solution.