How to Build a Frameworkless WebRTC App with WebSocket Signaling

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A developer tutorial on DEV Community walks through building a minimal two-browser WebRTC application without any framework or build tools. The project uses a WebSocket signaling server to exchange SDP offers, answers, and ICE candidates between two peers named Alice and Bob. The signaling server coordinates the connection setup but does not carry the actual media or data channel traffic. Once both peers join the same room, the first browser acts as the initiator and creates an SDP offer, while the second browser responds with an answer to complete the handshake. The guide provides full source code for both a Node.js server and a single HTML client file, making it accessible for developers learning WebRTC fundamentals.

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ProgrammingDEV Community ·

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