Returns an array of the Window objects for each of the pages running inside the current extension. This includes, for example:

  • the background page, if one is defined
  • any popup pages, if defined and loaded
  • any options pages, if defined and loaded
  • any browser tabs that host content packaged with the add-on


var windows = browser.extension.getViews(
  fetchProperties // optional object


string. An extension.ViewType indicating the type of view to get. If omitted, this function returns all views.
integer. The window to restrict the search to. If omitted, this function returns all views.

Return value

array of object. Array of Window objects.

Browser compatibility

Chrome Edge Firefox Firefox for Android Opera
Basic support Yes No 45.0 48.0 33


Get all windows belonging to this add-on, and log their URLs:

var windows = browser.extension.getViews();

for (var extensionWindow of windows) {

Get only windows in browser tabs hosting content packaged with the add-on:

var windows = browser.extension.getViews({type: "tab"});

Get only windows in popups:

var windows = browser.extension.getViews({type: "popup"});


This API is based on Chromium's chrome.extension API. This documentation is derived from extension.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: wbamberg, michael-zapata, Leif-AMO, Makyen
 Last updated by: wbamberg,