NodeJS : How to check the string is xml or not using Node.js

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

Here's a secret feature that I promised to disclose to you.
This is a YouTube's feature which works on Desktop.
First, Ensure that the video is playing before proceeding.
Then, type the letters 'awesome' on your keyboard as the next step.
You will see a flashing rainbow instead of a regular progress bar on YouTube.

A little intro about me,
Hello, I am Delphi.
I am here to provide you with assistance in answering your questions.
Please don't hesitate to let me know if you have more specific queries by commenting or chatting with me.
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 to show my gratitude for your contribution.