4 window
.addEventListener('load', async () => {
5 const peer
= new RTCPeerConnection({})
6 await peer
.createOffer({ 'offerToReceiveVideo': true })
7 const receivers
= peer
.getReceivers()
8 const sender
= peer
.addTrack(receivers
[0].track
)
10 await sender
.getStats()
11 await sender
.replaceTrack(receivers
[0].track
)