[CLUE-Talk] Review of key points of DHTML session

[David Willson]

The source files for the demo are at:
ftp://mailman.thegeek.nu/pub/HTML_class.tar

My recommended DHTML author is: Danny Goodman (www.dannyg.com), the author
of my recommended DHTML book, DHTML: the Definitive Reference, which is the
flamingo book from O'Reilly.  Danny also writes the JavaScript Bible, now in
it's 4th edition.

The best web site for help with CSS (Cascading Style Sheets) is probably
www.richinstyle.com.

Regarding forms and data validation:

  a.. The end-point database should always be tightly constrained. It should
be very rare that garbage gets inserted, even if it "shortcuts" all
validation systems.  This should always be implemented in platform-specific
database constraints.
  b.. If there is a reasonable chance that bad data will reach the
server-side processor, a "conversational" data validation system should be
built on the server-side.
  c.. Any time network traffic or client-side performance is a concern,
interactive data validation should be built into the form using JavaScript
that conforms to the ECMAscript and DOM standards.

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