In higher-level languages like Python or Java, these are hidden from you. In day-to-day work, that's terrific, but when you're learning how these low-level data structures are built, it's great to ...

editor.serialize(version="0.3.2") - serialize the current post for persistence. Returns Mobiledoc. editor.destroy() - teardown the editor event listeners, free memory etc. editor.disableEditing() - ...