tabGroups.onUpdated
Fires when a tab group's state changes.
This event does not fire when the group's membership changes or when a tab group is moved. Those updates are covered by tabs.onUpdated
and tabGroups.onMoved
respectively.
To detect windowId
changes, use tabGroups.onMoved
instead.
Syntax
js
browser.tabGroups.onUpdated.addListener(listener)
browser.tabGroups.onUpdated.removeListener(listener)
browser.tabGroups.onUpdated.hasListener(listener)
Events have three functions:
addListener(listener)
-
Adds a listener to this event.
removeListener(listener)
-
Stops listening to this event. The
listener
argument is the listener to remove. hasListener(listener)
-
Checks whether
listener
is registered for this event. Returnstrue
if it is listening,false
otherwise.
addListener syntax
Parameters
listener
-
The function called when this event occurs. The function is passed this argument:
group
-
tabGroups.TabGroup
. Details of the updated tab group's state.
Examples
Listen for and log tab group updates:
js
function tabGroupUpdated(group) {
console.log(`Tab group with ID ${group.id} was updated.`, group);
}
browser.tabGroups.onUpdated.addListener(tabGroupUpdated);