.data()

Store arbitrary data associated with the matched elements or return the value at the named data store for the first element in the set of matched elements.

jQuery.Deferred()

A factory function that returns a chainable utility object with methods to register multiple callbacks into callback queues, invoke callback queues, and relay the success or failure state of any synchronous or asynchronous function.

.closest()

For each element in the set, get the first element that matches the selector by testing the element itself and traversing up through its ancestors in the DOM tree.

.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.

Ajax Events

Ajax requests produce a number of different events that you can subscribe to. Here's a full list of the events and in what order they are triggered. There are two types of events: Local Events These are callbacks that you can subscribe to within the Ajax request object, like so: 1 2 3 4 5 … Continue reading

jQuery.when()

Provides a way to execute callback functions based on zero or more Thenable objects, usually Deferred objects that represent asynchronous events.

.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.