Answer by Ashok R for nodejs vs node on ubuntu 12.04

https://nodejs.org/en/download/

Download .pkg file on your mac and install it. it directly works.

➜  ~ which node
/usr/local/bin/node
➜  ~ node --version
v10.11.0
➜  ~ which npm
/usr/local/bin/npm
➜  ~ npm --version
6.4.1