Fired when a document, including the resources it refers to, is completely loaded and initialized. This is equivalent to the DOM load event.
Syntax
browser.webNavigation.onCompleted.addListener( listener, // function filter // optional object ) browser.webNavigation.onCompleted.removeListener(listener) browser.webNavigation.onCompleted.hasListener(listener)
Events have three functions:
- addListener(callback)
- Adds a listener to this event.
- removeListener(listener)
- Stop listening to this event. The listenerargument is the listener to remove.
- hasListener(listener)
- Check whether listeneris registered for this event. Returnstrueif it is listening,falseotherwise.
addListener syntax
Parameters
- callback
- 
 Function that will be called when this event occurs. The function will be passed the following arguments: - details
- object. Details about the navigation event.
 
- filterOptional
- 
 object. An object containing a single propertyurl, which is anArrayofevents.UrlFilterobjects. If you include this parameter, then the event will fire only for transitions to URLs which match at least oneUrlFilterin the array. If you omit this parameter, the event will fire for all transitions.
Additional objects
details
- tabId
- integer. The ID of the tab in which the navigation has occurred.
- url
- string. The URL to which the given frame has navigated.
- processId
- integer. The ID of the process in which this tab is being rendered.
- frameId
- integer. Frame in which the navigation has occurred. 0 indicates that navigation happened in the tab's top-level browsing context, not in a nested iframe. A positive value indicates that navigation happened in a nested iframe. Frame IDs are unique for a given tab and process.
- timeStamp
- number. The time at which the page finished loading, in milliseconds since the epoch.
Browser compatibility
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
| Chrome | Edge | Firefox | Firefox for Android | Opera | |
|---|---|---|---|---|---|
| Basic support | Yes 1 | Yes 2 | 45 3 4 | 48 3 4 | 17 5 | 
2. Filtering is not supported.
3. Filtering is supported from version 50.
4. If the filter parameter is empty, Firefox raises an exception.
5. If the filter parameter is empty, Opera matches all URLs.
Examples
Logs the target URLs for onCompleted, if the target URL's hostname contains "example.com" or starts with "developer".
var filter = {
  url:
  [
    {hostContains: "example.com"},
    {hostPrefix: "developer"}
  ]
}
function logOnCompleted(details) {
  console.log("onCompleted: " + details.url);
}
browser.webNavigation.onCompleted.addListener(logOnCompleted, filter);
Example extensions
This API is based on Chromium's chrome.webNavigation API. This documentation is derived from web_navigation.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.
// Copyright 2015 The Chromium Authors. All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.