hold Indicates whether the ready hold is being requested or released
Accepts a string containing a CSS selector which is then used to match a set of elements.
removeAll A Boolean indicating whether to remove all jQuery variables from the global scope (including jQuery itself).
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.