This is my first try of nodejs, I just want to develope a small web application, from frontend to backend. The developing way is not smooth, I write this blog to trace the questions I have met and my own understanding. I hope it will be able to help those who are freshmen of nodejs, just as me.
Strucutre of Express4
The reason why I choose Express 4 is that I created a new Express project in WebStorm and WebStorm uses Express 4 as defult version.