this is the best nodejs in termux
pkg upate && pkg upgrade -y && apt update && apt upgrade -y && apt install nano -y && apt install nodejs -y && apt install git -y && apt install wget -y && git clone https://github.com/hakamimmmm/termux-nodejs && cd termux* && npm init && npm install express -only=prod && npm install express -only=prod -save && node index.js