What is the working of <div> in html

Answer 1

There is a quick way to find out! Google "html div" – you get lots if information, explanation and examples like this.

https://developer.mozilla.org/en-US/docs/Web/HTML/Element/div
https://www.w3schools.com/Tags/tag_div.asp
https://www.w3docs.com/learn-html/html-div-tag.html
https://www.tutorialspoint.com/html/html_div_tag.htm