Extensions monitor these events in their background script, then react with specified instructions.Ī background page is loaded when it is needed, and unloaded when it goes idle.
Events are browser triggers, such as navigating to a new page, removing a bookmark, or closing a tab. Now that Manifest V3 has launched, we strongly recommend that you use it for any new extensions that you create.Įxtensions are event based programs used to modify or enhance the Chrome browsing experience.
The page you're viewing describes extensions using Manifest V2.
