Basic HTML version of Foils prepared 11 March 99

Foil 53 Document Object Model

From Overview of JavaScript II -- From Cookies to Dynamical HTML CPS616 Technologies of the Information Age -- Spring Semester 99. by Geoffrey C. Fox (Tom Scavo)


W3C DOM (http://www.w3.org/DOM/ ) defines a platform-independent programmatic interface to web documents:
  • provides access to structured data
  • adds object orientation to page layout and design (HTML elements are objects with properties and methods)
  • is implemented with a scripting language
  • defines event model (not in level 1 DOM)
  • defines a way of navigating through component objects in a web page
Initially, DOM is bound to ECMAScript but is language neutral in design
Current Browsers implicitly define a DOM which is somewhat different between Microsoft and Netscape and between versions 4 and 5



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