tabs.onMoved
Fired when a tab is moved within a window.
Only one move event is fired, representing the tab the user directly moved. Move events are not fired for the other tabs that must move in response. This event is not fired when a tab is moved between windows. For that, see tabs.onDetached
.
Syntax
js
browser.tabs.onMoved.addListener(listener)
browser.tabs.onMoved.removeListener(listener)
browser.tabs.onMoved.hasListener(listener)
Events have three functions:
addListener(listener)
-
Adds a listener to this event.
removeListener(listener)
-
Stop listening to this event. The
listener
argument is the listener to remove. hasListener(listener)
-
Check 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 these arguments:
tabId
-
integer
. ID of the tab the user moved. moveInfo
-
object
. Information about the move. See the moveInfo section for more details.
Additional objects
moveInfo
windowId
-
integer
. ID of this tab's window. fromIndex
-
integer
. Initial index of this tab in the window. toIndex
-
integer
. Final index of this tab in the window.
Examples
Listen for and log move events:
js
function handleMoved(tabId, moveInfo) {
console.log(`Tab ${tabId} moved from ${moveInfo.fromIndex} to ${moveInfo.toIndex}`);
}
browser.tabs.onMoved.addListener(handleMoved);
Example extensions
Browser compatibility
BCD tables only load in the browser
Note: This API is based on Chromium's chrome.tabs
API. This documentation is derived from tabs.json
in the Chromium code.