references
XML 1.0 Specification
XML (eXtenbislbe Markup Language) is a generalized means for creating tree-structured vocabularies. Produced and maintained by the World Wide Web Consourtium (aka the W3C), an international standards body.
Document Object Model (DOM) 1.0 Level 3 Core Specification
The DOM is the tree structued model for documents. It can be traversed using standard tree-parsing algorithms, such as depth-first search.
HTML 5 Specification
The current active specification for DHTML; also by the W3C. It defines the language for much of today's web practice. Unfortunately, dealing with deviations from the spec are a normal part of a developer's life.
Cascading Style Sheets (CSS) Specification
This specification defines Cascading Style Sheets. CSS is a style sheet language that allows authors and users to attach style (e.g., fonts, spacing, and aural cues) to structured documents (e.g., HTML documents and XML applications). By separating the presentation style of documents from the content of documents, CSS simplifies Web authoring and site maintenance.
Microsoft DHTML Overview
The top node of Microsoft's reference for DHTML and CSS in IE. Mostly, this stuff also works in Mozilla, but not all of it. Caveat emptor.
Microsoft DHTML Element Reference
This IE reference page is organized by HTML element. It allows you to look up any properties or behaviors of an existing HTML element. Their use of the word "Object" instead of "Element" is an error.
Microsoft CSS Attribute Reference
Another entry point into the IE reference. This one starts with the CSS attributes.
Webmonkey Color Chart
This simple page shows many of the colors that are usable, along with their HEX codes.
Webmonkey Special Character Reference
This extremely useful page lists many of the special characters and the code needed to display them in HTML. Characters such as &, >, < and © are examples.