How do I completely uninstall Node.js, and reinstall from beginning (Mac OS X)

Question

My version of node is always v0.6.1-pre even after I install brew node and NVM install v0.6.19.

My node version is:

Answer 1

(server: ubuntu 14)

1.) install nvm (node version manager) https://github.com/creationix/nvm

2.) nvm install node

3.) npm -v (inquire npm version => 3.8.6)

4.) node -v (inquire node version => v6.0.0)