The maximum number of top level extension items that can be added to a menu item whose
ContextType is "browser_action" or "page_action". Any items beyond this limit will be ignored.
Its value is
6 on Firefox and Chrome.
For compatibility with other browsers, Firefox makes this property available via the
contextMenus namespace as well as the
BCD tables only load in the browser
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.