NodeJS : What is the difference between 'express.Router' and routing using 'app.get'?

To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

So here is a secret hidden feature I promissed to tell you.
This is a YouTube's feature which works on Desktop.
First, Make sure the video is currently in playing mode.
Next, enter the letters 'awesome' on your keyboard.
It will change your youtube progress bar into a flashing rainbow.

A quick introduction about me,
Hello, I am Delphi.
I can assist you in discovering answers to your inquiries.
If you have more specific queries, please feel free to reach out through comments or chat.
Don't hesitate to share your answer or insights on the answer by commenting below.
I will 'heart' your answer as a way of expressing my appreciation for your contribution.