onConnectivityAvailable

Fires when the captive portal service determines that the user can connect to the internet. 

Syntax

browser.captivePortal.onConnectivityAvailable.addListener(callback)
browser.captivePortal.onConnectivityAvailable.removeListener(listener)
browser.captivePortal.onConnectivityAvailable.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 is called when this event occurs. The function is passed the following arguments:

status
string The status of the service, being one of captive if there is an unlocked captive portal present or clear if no captive portal is detected.

Examples

Handle a change user's ability to connect to the internet:

function handleConnectivity(connectivityInfo) {
  console.log("The captive portal status: " + connectivityInfo.status);
}

browser.captivePortal.onConnectivityAvailable.addListener(handleConnectivity);

Browser compatibility

Report problems with this compatibility data on GitHub
webextensions-desktopwebextensions-mobile
ChromeEdgeFirefoxOperaSafariFirefox for Android
onConnectivityAvailable

Legend

Full support
Full support
No support
No support