Monday, 9 July 2012

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What is DOM in HTML


The Document Object Model (DOM) is an API for HTML and XML documents. It provides a structural representation of the document, enabling you to modify its content and visual presentation by using a scripting language such as JavaScript.

DOM - API for HTML. It represents a web page as a tree. In other words, DOM shows how to access HTML page

The HTML DOM defines a standard way for accessing and manipulating HTML documents.


"The W3C Document Object Model (DOM) is a platform and language-neutral interface that allows programs and scripts to dynamically access and update the content, structure, and style of a document."
The DOM is separated into 3 different parts / levels:
  • Core DOM - standard model for any structured document
  • XML DOM - standard model for XML documents
  • HTML DOM - standard model for HTML documents
The DOM defines the objects and properties of all document elements, and the methods (interface) to access them.



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