| YAHOO.util | |
| YAHOO.util.Config | Config is a utility used within an object to allow the implementer to maintain a list of local configuration properties and listen for changes to those properties dynamically using CustomEvent. |
| YAHOO.util.KeyListener | KeyListener is a utility that provides an easy interface for listening for keydown/keyup events fired against DOM elements. |
| YAHOO.widget | |
| YAHOO.widget.ContainerEffect | ContainerEffect encapsulates animation transitions that are executed when an Overlay is shown or hidden. |
| YAHOO.widget.Dialog | Dialog is an implementation of Panel that can be used to submit form data. |
| YAHOO.widget.Module | Module is a JavaScript representation of the Standard Module Format. |
| YAHOO.widget.Overlay | Overlay is a Module that is absolutely positioned above the page flow. |
| YAHOO.widget.OverlayEffect | OverlayEffect encapsulates animation transitions that are executed when an Overlay is shown or hidden. |
| YAHOO.widget.OverlayManager | OverlayManager is used for maintaining the focus status of multiple Overlays. |
| YAHOO.widget.Panel | Panel is an implementation of Overlay that behaves like an OS window, with a draggable header and an optional close icon at the top right. |
| YAHOO.widget.SimpleDialog | SimpleDialog is a simple implementation of Dialog that can be used to submit a single value. |
| YAHOO.widget.Tooltip | Tooltip is an implementation of Overlay that behaves like an OS tooltip, displaying when the user mouses over a particular element, and disappearing on mouse out. |