Select the element at index n within the matched set. The index-related selectors (:eq()

Selects all elements that are hidden. Elements can be considered hidden for several reasons:

Select all elements at an index greater than index within the matched set. index-related

Selects all elements that are the nth-child of their parent, counting from the last element to the first. Because

Selects the first matched element. The :first pseudo-class is equivalent to :eq(

Select all elements that are in the progress of an animation at the time the selector is run.

Matches elements that match all of the specified attribute filters.

Select all elements that have at least one child node (either an element or text). This is the inverse

Selects elements that have the specified attribute, with any value.

Matches all elements that are checked or selected. The :checked selector works for