Other comments listed npm modules with Rails equivalents, so I won't repeat.
The one thing I got out of nodejs is becoming reacquainted with working closer to the metal. Minimalism for some HTTP endpoints (what the kids call REST) can be fun.
Rails, PHP, nodejs et al, J2EE, etc. I've got no dog in this fight. Each is uniquely terrible. I hate them all.
nodejs is JavaScript bindings for libev. http://software.schmorp.de/pkg/libev.html
Other comments listed npm modules with Rails equivalents, so I won't repeat.
The one thing I got out of nodejs is becoming reacquainted with working closer to the metal. Minimalism for some HTTP endpoints (what the kids call REST) can be fun.
Rails, PHP, nodejs et al, J2EE, etc. I've got no dog in this fight. Each is uniquely terrible. I hate them all.