deepin 15.11 Desktop OS as of October 19, 2019
Switch to admin user.
sudo su -
Add reliable sources for the right flavor of Node v10.
echo "deb https://deb.nodesource.com/node_10.x jessie main" | tee -a /etc/apt/sources.list.d/nodesource.list
echo "deb-src https://deb.nodesource.com/node_10.x jessie main" | tee -a /etc/apt/sources.list.d/nodesource.list
Update apt to reference new source list, and then install Node.
apt update
apt install nodejs
Then exit out of admin impersonation mode, and you're ready to go.
exit