tabs.onSelectionChanged

Warning: This event is deprecated. Use tabs.onActivated instead.

Fires when the selected tab in a window changes.

Syntax

js

browser.tabs.onSelectionChanged.addListener(listener)
browser.tabs.onSelectionChanged.removeListener(listener)
browser.tabs.onSelectionChanged.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. Returns true 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. The ID of the tab that has become active.

selectInfo

object. See the selectInfo section for more details.

Additional objects

selectInfo

windowId

integer. The ID of the window the selected tab changed in.

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.