Whst is BOM and what is DOM?

Question

What is Browser Object Model? What is Document Object Model?

Answer 1

Thanks. So each browser tab will have separate BOM - is this correct understanding?

Answer 2

In a sense yes .

Answer 3

BOM represent the browser objects to deal with, it contains " navigator, history, screen, location , document"
the document is DOM and it contains html elements.
DOM is your webpage documents and DOM is the browser elements.