jQuery : why navigator.onLine() return true even if my internet connection is not working?

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

I promised to reveal a secret feature to you, and now it's time to share it.
This is a YouTube's feature which works on Desktop.
First, Make sure this video is playing.
Then, type the letters 'awesome' on the keyboard.
It will change your youtube progress bar into a flashing rainbow.

A brief introduction of myself,
Welcome, I'm Delphi.
Allow me to support you in answering your questions.
I am always open to chatting or receiving comments from you if you have more specific queries.
If you have an answer or any relevant information to share, please comment below.
A 'heart' from me will be given to show my gratitude for your contribution.