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Discussion on: Let’s Build a Video Chat App with JavaScript and WebRTC

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Nil Madhab Author • Edited

You have asked me two things:-

  1. How is the offer created?
    The Offer is created using pc.createOffer(setLocalAndSendMessage, handleCreateOfferError); where pc is an object of RTCPeerConnection .

  2. How handleIceCandidate function works?
    Browser starts creating candidates as soon as we create an object of RTCPeerConnection. To handle these candidates, we must pass a handler function to this RTCPeerConnection Object as follows
    pc.onicecandidate = handleIceCandidate; , where pc is an object of RTCPeerConnection .
    Whenever a candidate is created by the browser, the handleIceCandidate function will be called

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