Any way to push Javascript from NodeJS server to client for updates?

Question

In Scala\'s Liftweb there are some classes which allow for Javascript to be pushed to the browser via comet/ajax after the page has loaded. Some documentation here.

The

Answer 1

You can build this functionality into socket.io, either by predefining functions based on dynamic objects that are sent bi-directionally, or by building a system which will parse and run javascript from both sides. Depending on what you are trying to do it might take a while to get that working for you securely (not just throwing everything in eval());

http://socket.io/

Alternatively there is a library built on node.js that has this functionality built in. I have not personally used it so I can't attest to the reliability or security of the system, but it should be a good place to start.

http://www.nowjs.com/
https://github.com/Flotype/now

Hope this helps!