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 is a software-conservative company. Programming a backend in JavaScript would be absolutely unimaginable for Google's managers. Creating infrastructure Google itself won't be using is not a good investment. Reference: Notes from the Mystery Machine Bus