mac:安装node npm和angular cli

1.使用curl或wget安装nvm

curl -o- /creationix/nvm/v0.33.8/install.sh|bash

or

wget -qO- /creationix/nvm/v0.33.8/install.sh|bash

2.使用nvm install [node版本号]

nvm install v10.13.0

3.安装angular cli

sudo npm install -g @angular/cli

检查是否安装成功

ng -v