B, BIG, I, S, SMALL, STRIKE, TT, U | NN n/a IE 4 DOM 1
All these objects reflect the HTML font style elements of the same name. Each of these elements specifies a rendering style for an inline sequence of content. All the elements are deprecated in HTML 4.0 in favor of style sheet attributes. See the HTML element descriptions in for details. From a scripted standpoint, all font style element objects share the same set of properties, methods, event handlers, and collections.
HTML Equivalent
    <B>
    <BIG>
    <I>
    <S>
    <SMALL>
    <STRIKE>
    <TT>
    <U>
Object Model Reference
IE | [window.]document.all.elementID