Determine if the callbacks have already been called at least once.

Pass each element in the current matched set through a function, producing a new jQuery object containing the return values.

Display or hide the matched elements with a sliding motion. The .slideToggle() method

Selects all next elements matching "next" that are immediately preceded by a sibling "prev". One

Determines whether its argument is a number. The $.isNumeric() method checks whether

Reduce the set of matched elements to those that have a descendant that matches the selector or DOM element. Given

Call all callbacks in a list with the given context and arguments. This method returns the Callbacks

Selects all elements that have no siblings with the same element name. If the parent has other child

Remove a single class, multiple classes, or all classes from each element in the set of matched elements. If

Selects element if it is currently focused. As with other pseudo-class selectors (those that begin