tabs.onAttached

Fired when a tab is attached to a window, for example because it was moved between windows.

Syntax

chrome.tabs.onAttached.addListener(function(
  tabId,     // integer
  attachInfo // object
) {...})
chrome.tabs.onAttached.removeListener(listener)
chrome.tabs.onAttached.hasListener(listener)

This API is also available as browser.tabs.onAttached.*.

Events have three functions:

addListener(callback)
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

callback

Function that will be called when this event occurs. The function will be passed the following arguments:

tabId
integer. ID of the tab that was attached to a new window.
attachInfo
object. ID of the new window, and index of the tab within it.

Additional objects

attachInfo

newWindowId
integer. ID of the new window.
newPosition
integer. Index position that the tab has in the new window.

Browser compatibility

Chrome Edge Firefox Firefox for Android Opera
Basic support Yes No 45.0 No 33

Examples

Listen for attach events, and log the info:

function handleAttached(tabId, attachInfo) {
  console.log("Tab: " + tabId + " attached");
  console.log("New window: " + attachInfo.newWindowId);
  console.log("New index: " + attachInfo.newPosition);
}

chrome.tabs.onAttached.addListener(handleAttached);

Acknowledgements

This API is based on Chromium's chrome.tabs API. This documentation is derived from tabs.json in the Chromium code.

Microsoft Edge compatibility data is supplied by Microsoft Corporation and is included here under the Creative Commons Attribution 3.0 United States License.

Document Tags and Contributors

 Contributors to this page: Makyen, wbamberg
 Last updated by: Makyen,