Lifecycle and Content
Inspect onInit, onChange, and onBeforeCommand.
These pages translate the useful parts of 07-callbacks.html to the current callback API and the
matching custom events on the original note element.
Inspect onInit, onChange, and onBeforeCommand.
Trigger focus, keyboard, pointer, paste, and scroll callbacks in one deterministic page.
Use onChangeCodeview, onBlurCodeview, and onDialogShown.
Override image URL insertion, intercept uploads, and surface upload errors.