NodeJS : What's the best way to handle Node.js flash messages?

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.
After that, type the word 'awesome' on your keyboard.
You will see a flashing rainbow instead of a regular progress bar on YouTube.

Allow me to introduce myself briefly,
Nice to meet you, I am Delphi.
Let me help you get the answers you need to your questions.
If you have more specific queries, please feel free to reach out through comments or chat.
Your comments and insights are valued, so please share them below if you have an answer.
A 'heart' from me will be given to show my gratitude for your contribution.