jQuery : 3 dropdown Populate based on selection in another [Cascading dropdown]

jQuery : 3 dropdown Populate based on selection in another [Cascading dropdown]
To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

I promised to share a hidden feature with you, and here it is.
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.
Your YouTube progress indicator will turn into a shimmering rainbow.

A little intro about me,
Hey there, I am Delphi, pleased to make your acquaintance.
I am capable of providing answers to your questions.
jQuery : 3 dropdown Populate based on selection in another [Cascading dropdown]
If you have more specific queries, please feel free to reach out through comments or chat.
Your input is valuable, so please comment below if you have an answer or any insights to the answer.
Your answer will be recognized and appreciated with a 'heart' from me.
another on : jQuery in based dropdown] dropdown Populate 3 [Cascading selection