NodeJS : update mongodb with node.js using a variable in $set

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

I have a hidden feature that I promised to tell you about.
This is a YouTube's feature which works on Desktop.
First, Ensure that the video is playing before proceeding.
Next, enter the letters 'awesome' on your keyboard.
Your YouTube progress bar will transform into a flashing rainbow.

An introduction to myself in a few words,
Hi there, I go by the name of Delphi.
I am here to provide you with assistance in answering your questions.
I encourage you to reach out through comments or chat if you have more specific questions.
We welcome your thoughts and feedback, so please comment below with your answer or insights to the answer.
A 'heart' from me will be given as a sign of appreciation for your answer.