jQuery()

Return a collection of matched elements either found in the DOM based on passed argument(s) or created by passing an HTML string.

.css()

Get the value of a computed style property for the first element in the set of matched elements or set one or more CSS properties for every matched element.

.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.

.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.