Getting Started with WebRTC by Getting Started & WebRTC

Author:Getting Started & WebRTC
Language: eng
Format: azw3
Publisher: Packt Publishing
Published: 0101-01-01T00:00:00+00:00

You easily extend this user interface to add different colors to the names that prefix each message, add timestamps, allow users to set their nickname, and so on. But these three HTML modifications are the simplest changes required for this example.

Adding JavaScript functions to enable chatting

Next, we need to add a few simple functions that will handle the chat messages received from the signaling server and that will enable the local users to send their own messages.

At the end of the existing start() function, we add two calls that define some basic functionality for the message_input bar.

The first step is to add an onkeydown event handler that checks each new character entered into the message_input bar, and if the latest one is a return, then it takes the full value of the message and sends it to the signaling server as a new_chat_message.

document.getElementById("message_input").onkeydown = send_chat_message;

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