html5-websocket

http://www.tutorialspoint.com/html5/html5_websocket.htm

Create Websocket object

var Socket = new WebSocket(url, [protocal] );

WebSocket Attributes

• Socket.readyState - The readonly attribute readyState represents the state of the connection. It can have the following values:

  • A value of 0 indicates that the connection has not yet been established.
  • A value of 1 indicates that the connection is established and communication is possible.
  • A value of 2 indicates that the connection is going through the closing handshake.
  • A value of 3 indicates that the connection has been closed or could not be opened.

• Socket.bufferedAmount - The readonly attribute bufferedAmount represents the number of bytes of UTF-8 text that have been queued using send() method.

WebSocket Events

• open - This event occurs when socket connection is established.
• message - This event occurs when client receives data from server.
• error - This event occurs when there is any error in communication.
• close - This event occurs when connection is closed.

WebSocket Methods

• Socket.send() - The send(data) method transmits data using the connection.
• Socket.close() - The close() method would be used to terminate any existing connection.