Nodejs 基础

环境搭建

# 经过nodesource安装node和npm
curl -sL https://rpm.nodesource.com/setup_6.x | sudo -E bash -
sudo yum install -y nodejs

# 安装一些经常使用npm包 及 yarn
sudo npm install -g cnpm gulp bower yarn --registry=https://registry.npm.taobao.org
yarn config set registry https://registry.npm.taobao.org