Validating dom

It is important that you examine a document's Ready State property to ensure a document is ready before you start to examine its contents.

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A better approach to retrieving information from XML files is to use an XML parser.The DOM defines a standard set of commands that parsers should expose so you can access HTML and XML document content from your programs.An XML parser that supports the DOM will take the data in an XML document and expose it via a set of objects that you can program against.A DOM for XML is an object model that exposes the contents of an XML document.The W3C's Document Object Model (DOM) Level 1 Specification currently defines what a DOM should expose as properties, methods, and events.

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