accesses the value property of a form input object (named username ), which is part of a form object (named myForm ), which is part of the document. The document object contains one or more form objects, which in turn contain various input objects, and so forth. We could also access the value of that particular object by referring to the following, assuming that the object is the fourth input element in the document's first form:
Figure 4.1. The Level 0 (Netscape) DOM structure.
Figure 4.2. Chart showing the DOM structure of a simple document.
The Dreamweaver DOM
Table 4.1. Level 0 (Netscape) DOM Specifications, As Implemented in Dreamweaver
All specifications for Dreamweaver implementation of the DOM are taken from the Extending Dreamweaver manual. See that reference for more detail, if necessary. (See the Introduction for more on this manual.)