IMG.height - height of the image within the client display surface.
IMG.href - URL where the image was loaded from. This is identical to the SRC="..." HTML tag attribute.
IMG.hspace - horizontal spacing either side of the image.
IMG.iccProfile - color of an image may appear different from one platform to another. This indicates the color profile that was used when the image was created so you can make adjustments if necessary.
IMG.isMap - Indicates whether the image is acting as a server-side image map.
isGraph() - Check if a character is a printable glyph.
ISINDEX object - deprecated object that represents the <ISINDEX> tag. Do not use this in new projects. This tag describes text entry field with an associated prompting text.
ISINDEX.form - Returns a reference to a containing Form object. If there is none, then a null is returned instead.
ISINDEX.prompt - property relating to the deprecated <ISINDEX> object. Avoid the use of this object and property in new projects. This property provides a prompting text message for the text entry field.
isInNet() - convenience function for use with proxy.pac files.
NamedNodeMap.removeNamedItem() - Given that you know the name of an item, you can locate and remove it from the collection. If necessary, the item is replaced by another containing the default attribute settings.
NamedNodeMap.setNamedItem() - node is added to the collection having the specified node name. Any node already present with that name will be replaced.
style.cssFloat - extension to the float attribute that is a standard CSS attribute. cssFloat is an MSIE-only attribute and is not standardized. It appears to simply be another name for the float property.
style.cssText - CSS style sheet specification source text for this style object.
style.cue - Part of the aural style control suite that defines the aural icon sound before and after an item is spoken.
style.cueAfter - Part of the aural style control suite that defines the aural icon sound after an item is spoken.
style.cueBefore - Part of the aural style control suite that defines the aural icon sound before an item is spoken.
style.cursor - cursor shape to display when the pointer hovers over the element.
style.direction - direction of flow of inline content such as text and table cells.
style.display - control attribute that defines how an element should be rendered into the display window.
style.elevation - Part of the aural style control suite that defines the height of a sound source within a 3D space.
style.emptyCells - indication of how empty cells in a table should be displayed.
style.filter - Defines the visual, reveal or blend filter for the object.
style.float - alignment control that indicates how text is to be flowed round the object that the style is applied to.
style.floatStyle - MSIE extension to the normal float style attributes. All the indications are that this is simply another name for the styleFloat property.
style.font - special shortcut styling control that provides a way to define several font styling attributes in a single assignment.
style.fontFamily - list of fonts to be used for the element. The first one in the list that is available will be used.
style.fontSize - size of the text drawn with the current font. Note that different browser-support a text-imaging model at varying resolutions, and it is difficult to obtain consistent results when older browsers are used.
style.orphans - Defines the minimum number of lines of a paragraph of text that must be visible at the bottom of a page when a page break is present. This is most likely to occur when printing documents.
style.outline - shortcut attribute for defining all the outline settings together.