Running webapplication with nodejs

[Mon]

Can I run a web application with nodejs? I understand that nodejs is a JavaScirpt runtime. So the way 

I can run other JavaScript programs, I should be able to run web applications as well. 

Is my understanding correct?

Thanks

[Ryan Schmidt]

You can certainly use nodejs to write a web server (in JavaScript) to serve the server-side portion of a web application; that's one of its primary uses. Many popular frameworks exist to help you write such a server. Express is one of them.

[Raja Ramesh]

You can run web applications with Nodejs using express framework.