What is an id selector used for

Answer 1

It is used to select a specific element of the page with that id.
It is like the class selector, with the only difference that ids are unique and not classes

Answer 2

You need to understand HTML first to learn how select elements

Answer 3

if your looking to find an element in HTML tree which has an id you can use css selector or xpath selector based on id. in order to check your pattern open inspect mode in browser by typing f12 and cntrl+f to find an element and paste the pattern

Answer 4

What’s div in HTML

Answer 5

ID is the most specific selector, and overrides the class and tag selectors. it should be used sparingly, and only to select individual elements.