Basic HTML version of Foils prepared April 4 1999

Foil 37 DHTML 1) Define Layers -- II

From The Document Object Model - Universal Access - Other Objects - CORBA XML Jini JavaScript etc. Tango Seminar to DoD Modernization MSRC -- April 6 1999. by Geoffrey C. Fox
NPAC Dynamic HTML Examples
The position CSSP attribute takes values static (default) relative (position relative to where it "should be" in current "context") and absolute (position in current "context")
These are properties of essentially ALL document components in the "DOM of our dreams" (this is what W3C defines)
  • However in today's pragmatic world, one can only use for some HTML tags
  • <DIV> and <SPAN> (<<---- USE THESE!) are supported today by Microsoft and Netscape and are part of HTML4
  • <LAYER> is best "name" (so lets call them layers)and fully supported by Netscape; it is not part of HTML4 and not officially supported by Microsoft
  • <IFRAME> (internal frame) is not in Netscape4 but is in HTML4 and supported by Microsoft

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