The read-only candidate property of the RTCPeerConnectionIceEvent interface returns the RTCIceCandidate associated with the event.
An RTCIceCandidate object representing the ICE candidate that has been received, or null to indicate that there are no further candidates for this negotiation session.
pc.onicecandidate = (ev) => {
alert(
`The ICE candidate (transport address: '${ev.candidate.candidate}') has been added to this connection.`,
);
};