Attach a handler to an event for the elements. The handler is executed at most once per element per event type.
Hide the matched elements by fading them to transparent.
Get the immediately preceding sibling of each element in the set of matched elements. If a selector is provided, it retrieves the previous sibling only if it matches that selector.
Selects the combined results of all the specified selectors.
Pass each element in the current matched set through a function, producing a new jQuery object containing the return values.
Selects all elements that are hidden.
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.
Display or hide the matched elements with a sliding motion.
Create a new jQuery object with elements added to the set of matched elements.