#NVM 설치
$ sudocurl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.1/install.sh |bash#코드추가
$ vi ~/.bash_profile
exportNVM_DIR="$HOME/.nvm"[-s"$NVM_DIR/nvm.sh"]&&."$NVM_DIR/nvm.sh"# This loads nvm#재시작source ~/.bash_profile
#install nodejs and npm via nvm.
$ nvm install10
$ nvm alias default 10.14.2