why is javascript node.js not on google app engine

Question

Google created the V8 JavaScript engine: V8 compiles JavaScript source code directly into machine code when it is first executed.

Node.js is built on V8 - why is Goo

Answer 1

Google has just announced support for Node.js on App Engine.

See: https://cloud.google.com/nodejs/

Here's an example of how to deploy Node.js app on App Engine.