Socket.IO runs on both client and server, with the two communicating back and forth over the HTTP connection. This requires loading the client JavaScript library into the client browser. Each page of the Notes application in which we seek to implement Socket.IO services must load the client library and have custom client code for our application.
Each page in Notes will require a different Socket.IO client implementation, since each page has different requirements. This affects how we load JavaScript code in Notes.
Initially, we simply put JavaScript code at the bottom of layout.hbs, because every page required the same set of JavaScript modules. But now we've identified the need for a different ...
