files/en-us/mozilla/add-ons/webextensions/api/tabgroups/onremoved/index.md
Fires when a tab group is removed. This occurs when a user closes a tab group or a tab group is closed automatically because another change means it no longer contained any tabs.
browser.tabGroups.onRemoved.addListener(listener)
browser.tabGroups.onRemoved.removeListener(listener)
browser.tabGroups.onRemoved.hasListener(listener)
Events have three functions:
addListener(listener)
removeListener(listener)
listener argument is the listener to remove.hasListener(listener)
listener is registered for this event. Returns true if it is listening, false otherwise.listener
group
removeInfo
object. Information on why the tab group is closing.
isWindowClosing
boolean. true if the tab group is removed because its window is closing.Listen for and log tab group removals:
function tabGroupRemoved(group) {
console.log(`Tab group with ID ${group.id} was removed.`);
}
browser.tabGroups.onRemoved.addListener(tabGroupRemoved);
{{WebExtExamples}}
{{Compat}}