Mac上node安装

/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

sudo chmod -R g+w /usr/local/Homebrew

brew install node

# script
curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.11/install.sh | bash
# wget
wget -qO- https://raw.githubusercontent.com/creationix/nvm/v0.33.11/install.sh | bash

vim ~/.bash_profile
export NVM_DIR="$HOME/.nvm"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh" # This loads nvm

nvm install 8.11.3