contextualIdentities.onRemoved 编辑

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.

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 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:

changeInfo

object. An object that contains a single property, contextualIdentity, which is a contextualIdentities.ContextualIdentity object representing the identity that was removed.

Browser compatibility

BCD tables only load in the browser

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.

Examples

function handleRemoved(changeInfo) {
  console.log(`Removed: ${changeInfo.contextualIdentity.name}`);
}

browser.contextualIdentities.onRemoved.addListener(handleRemoved);

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