:contains(text)

Finds all elements which contain the given text.

                        $("div:contains('John')")

The above code will find all the DIVs which contains the word 'John'. The argument passed inside contains() is string type and case sensitive.

:empty

Matches all elements that have no children (including text nodes).

                   $("td:empty")

This code will find all the Tds which doesn't have any value or are empty.

:has(selector)

Matches elements which contain at least one element that matches the specified selector.

                        $("div:has(p)")

The above code will match the DIV elements which have a paragraph (p element) inside them. The attribute selector is a selector with which we want to filter by.

:parent

This finds all elements that are parents i.e. they have child elements, including text.

                        $("td:parent")

Finds all tds which have other child control, including text, inside them.