node.js REPL “undefined”

Question

Upgraded from node 0.4.11 to 0.6.15, and noticed the REPL (running node with no arguments) keeps dumping \"undefined\" after most commands or carriages returns...

It

Answer 1

On similar lines of this answer

You can run this repl.repl.ignoreUndefined=true from inside REPL session.

A sample code:

Welcome to Node.js v12.13.1.
Type ".help" for more information.
> var x
undefined
> repl.repl.ignoreUndefined=true
true
> var y = 10
> _
true
> console.log(y)
10
>