Free Online Programming Tutorials

The resource description framework (RDF), is an XML-based application being developed in the W3C…
Read the rest of this entry »

For the newbies, here’s a Simple XML Document


< note >
Tove
Jani
Reminder
< body >Welcome to FreeOnlineProgrammingTutorials< /body >
< /note >

HTML is used in conjunction with CSS to format and present hyperlinked pages. Dynamic HTML, through the Document Object Model, makes all elements in HTML accessible through language-independent scripting and other programming languages, thus dramatically increasing client-side interactivity without additional requests to the server. The page’s object model allows any aspect of its content (including additions, deletions, and movement) to be changed dynamically.
Read the rest of this entry »

The Standard Generalized Markup Language, or SGML (ISO 8879), is the international standard for defining descriptions of structure and content in electronic documents. XML is a simplified version of SGML; XML was designed to maintain the most useful parts of SGML.
Read the rest of this entry »

• XML with correct syntax is Well Formed XML.
• XML validated against a DTD is Valid XML.

A valid XML document is a well-formed document that meets two further requirements-
Read the rest of this entry »

• All text in an XML document will be parsed by the parser.
• Only text inside a CDATA section is ignored by the parser.
• CDATA section do not nest

Read the rest of this entry »

The purpose of the PI is to provide information that the XML processor passes to the application. A PI has the following general form

FYI: instruction is the information passed to the application
Read the rest of this entry »

A comment begins with the < ! - - characters and ends with - - > characters.
Read the rest of this entry »

The Element content is the text between the start tag & the end tag. The following are types of items in the content of an element

• Nested elements–content of the element contains child elements
eg
(the book element has title element as a child element)
• Character data–is the text expresses the information content of the element
eg
(the title element has character data as a content)
Read the rest of this entry »

XML elements must follow these naming rules:
• Names can contain letters, numbers, an underscore and other characters
Read the rest of this entry »