CMPSCI 326 Web Programming

Code Examples

• db shows you how to connect to a postgres database using the node-postgres library.
• fs demonstrates the fs module in node.js.
• iframe demonstrates the use of an iframe element to accomplish Ajax calls to the server.
• script demonstrates the use of a script element to accomplish Ajax calls to the server.
• pairs shows the use of the XMLHttpRequest object to make same-origin requests to the server.
• polling shows the use jQuery's Ajax support for making same-origin requests to the server. This example also demonstrates Ajax polling using the setInterval client-side function to enable communication between multiple browsers. We also demonstrate the use of the dataType property for jQuery Ajax requests to allow cross-site scripting to communicate to the Twitter JSON API.
• ws demonstrates the WebSocket API using io.socket.
• upload has an example of how to use the express framework to upload a file from a browser to the server.