management.onEnabled()

Syntax

browser.management.onEnabled.addListener(listener)
browser.management.onEnabled.removeListener(listener)
browser.management.onEnabled.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)

Checks whether a listener is registered for this event. Returns true if it is listening, false otherwise.

addListener syntax

Parameters

listener

The function called when this event occurs. The function is passed this argument:

info

ExtensionInfo: info about the add-on that was enabled.

Examples

Log the names of add-ons when they are enabled:

browser.management.onEnabled.addListener((info) => {
  console.log(`${info.name} was enabled`);
});

Browser compatibility