YUI Dimension api

getViewportHeight
Int getViewportHeight ( )
Returns the current height of the viewport.

Returns: Int
The height of the viewable area of the page (excludes scrollbars).

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getRegion
Region | Array getRegion ( el )
Returns the region position of the given element. The element must be part of the DOM tree to have a region (display:none or elements not appended return false).

Parameters:
el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements.

Returns: Region | Array
A Region or array of Region instances containing "top, left, bottom, right" member data.

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getDocumentWidth
Int getDocumentWidth ( )
Returns the width of the document.

Returns: Int
The width of the actual document (which includes the body and its margin).

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getDocumentScrollTop
Int getDocumentScrollTop ( document )
Returns the top scroll value of the document

Parameters:
document (optional) The document to get the scroll value of

Returns: Int
The amount that the document is scrolled to the top

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getXY
Array getXY ( el )
Gets the current position of an element based on page coordinates. Element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).

Parameters:
el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements

Returns: Array
The XY position of the element(s)