.is()

Check the current matched set of elements against a selector, element, or jQuery object and return true if at least one of these elements matches the given arguments.

.text()

Get the combined text contents of each element in the set of matched elements, including their descendants, or set the text contents of the matched elements.

.find()

Get the descendants of each element in the current set of matched elements, filtered by a selector, jQuery object, or element.