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web_extensions / latest / api / webnavigation / ontabreplaced.html

webNavigation.onTabReplaced

Fired when the contents of the tab is replaced by a different (usually previously pre-rendered) tab.

Syntax

browser.webNavigation.onTabReplaced.addListener(
  listener,                   // function
  filter                      // optional object
);
browser.webNavigation.onTabReplaced.removeListener(listener)
browser.webNavigation.onTabReplaced.hasListener(listener)

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:

details

object. See the details section for more information.

Additional objects

details

replacedTabId

integer. The ID of the tab that was replaced.

tabId

integer. The ID of the tab that replaced the old tab.

timeStamp

number. The time when the replacement happened, in milliseconds since the epoch.

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
onTabReplaced Yes 14
45Although you can add listeners for this event, it will never fire because the underlying functionality is not supported.
? 17 No ? ?
48Although you can add listeners for this event, it will never fire because the underlying functionality is not supported.
? No ?

Examples

function logOnTabReplaced(details) {
  console.log(`onTabReplaced ${details}`);
}

browser.webNavigation.onTabReplaced.addListener(logOnTabReplaced);

Note: This API is based on Chromium's chrome.webNavigation API. This documentation is derived from web_navigation.json in the Chromium code.

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/webNavigation/onTabReplaced