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Document.elementsFromPoint()

The elementsFromPoint() method of the Document interface returns an array of all elements at the specified coordinates.
API DOM Reference

Document.loadOverlay()

The loadOverlay() method loads a XUL overlay and merges it with the current document, notifying an observer when the merge is complete.
API DOM Method Reference

Document.popupNode

When a popup attached via the popup or context attributes is opened, the XUL document's popupNode property is set to the node that was clicked on. This will be the target of the mouse event that activated the popup. If the popup was opened via the keyboard, the popup node may be set to null. Typically, this property will be checked during a popupshowing event handler for a context menu to initialize the menu based on the context.
API DOM Property Reference

DocumentFragment

The DocumentFragment interface represents a minimal document object that has no parent. It is used as a light-weight version of Document to store well-formed or potentially non-well-formed fragments of XML.
API DocumentFragment DOM

DocumentFragment.querySelector()

The DocumentFragment.querySelector() method returns the first element, or null if no matches are found, within the DocumentFragment (using depth-first pre-order traversal of the document's nodes) that matches the specified group of selectors.
API DocumentFragment DOM Method

DocumentFragment.querySelectorAll()

The DocumentFragment.querySelectorAll() method returns a NodeList of elements within the DocumentFragment (using depth-first pre-order traversal of the document's nodes) that matches the specified group of selectors.
API DocumentFragment DOM Method

DocumentType

The DocumentType interface represents a Node containing a doctype.
API DocumentType DOM Interface

DOMCursor.continue()

The continue method is used to tell the cursor to move to the next result. The DOMCursor's success or error is called with the DOMCursor's result updated accordingly.
API DOM Method Reference

DOMError

The DOMError interface describes an error object that contains an error name.
API DOM Interface Reference

DOMException()

The DOMException() constructor returns a DOMException object with a specified message and name.
API Constructor DOMException Reference

DOMRequest.result

This property provides the result value from a DOMRequest operation.
API DOM Property Reference

DOMRequest.error

This property can contain error information in a DOMError object.
API DOM Property Reference

DOMRequest.onerror

This property specifies a callback function to be run when a DOMRequest fails.
API DOM Property Reference

DOMRequest.onsuccess

This property specifies a callback function to be run when a DOMRequest completes successfully.
API DOM Property Reference

DOMRequest.readyState

This property is a string that indicates whether or not a DOMRequest operation has finished running.
API DOM Property Reference

DOMRequest.result

This property provides the result value from a DOMRequest operation.
API DOM Property Reference