Fired when a new contextual identity is removed. Contextual identities may be removed by extensions using the contextualIdentities API, or directly by the user, using the browser's user interface.
contextualIdentities.onRemoved
Syntax
browser.contextualIdentities.onRemoved.addListener(listener)
browser.contextualIdentities.onRemoved.removeListener(listener)
browser.contextualIdentities.onRemoved.hasListener(listener)
Events have three functions:
-
addListener(listener) -
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:
-
changeInfo -
object. An object that contains a single property,contextualIdentity, which is acontextualIdentities.ContextualIdentityobject representing the identity that was removed.
-
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 | |
onRemoved |
No | No | 57 | ? | No | No | ? | ? | 57 | ? | No | ? |
Examples
function handleRemoved(changeInfo) {
console.log(`Removed: ${changeInfo.contextualIdentity.name}`);
}
browser.contextualIdentities.onRemoved.addListener(handleRemoved);
© 2005–2023 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/contextualIdentities/onRemoved