After I committed repositories(https://github.com/liuwangdao/notepad) in this morning, I wonder if it is possible to write a nodejs version. Through I haven't learned it before, it is like a hello world program and easy to accomplish.
npm start; visit /home/index.html; write down anything and it will be appended to msg.txt;
app.js-->html.js-->index.html-->get.js-->msg.txt
port: ./bin/www