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

Holds or releases the execution of jQuery’s ready event.

Relinquish jQuery’s control of the $ variable.

Creates a new copy of jQuery whose properties and methods can be modified without affecting the original jQuery object.

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