MDN / contextualIdentities.onRemoved
MDN / contextualIdentities.onRemoved
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
listenerargument is the listener to remove.
hasListener(listener): Check whether
listeneris registered for this event. Returnstrueif it is listening,falseotherwise.
addListener syntax
Parameters
listener: The function called when this event occurs. The function is passed this argument:
changeInfo:
object. An object that contains a single property,contextualIdentity, which is a object representing the identity that was removed.
Examples
function handleRemoved(changeInfo) {
console.log(`Removed: ${changeInfo.contextualIdentity.name}`);
}
browser.contextualIdentities.onRemoved.addListener(handleRemoved);