Select any text in the window (all of it is styled). Now type and execute: editMenu.plainText ()
» true
Notice that the text style disappears. Now type and execute: editMenu.undo ()
This verb, like all of the others related to styled text, only works in word processing text windows, not in outlines or tables.
editMenu.setItalic
editMenu.setOutline
editMenu.setShadow
editMenu.setUnderline
editMenu.undo