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const unsigned short ELEMENT_NODE = 1 const unsigned short ATTRIBUTE_NODE = 2 const unsigned short TEXT_NODE = 3 const unsigned short CDATA_SECTION_NODE = 4 const unsigned short ENTITY_REFERENCE_NODE = 5 const unsigned short ENTITY_NODE = 6 const unsigned short PROCESSING_INSTRUCTION_NODE = 7 const unsigned short COMMENT_NODE = 8 const unsigned short DOCUMENT_NODE = 9 const unsigned short DOCUMENT_TYPE_NODE = 10 const unsigned short DOCUMENT_FRAGMENT_NODE = 11 const unsigned short NOTATION_NODE = 12
Example would be the best. Let's have this XML document:
<?xml version="1.0"?> <test> <para> some text and <highlight>some highlighted text</highlight> in the first paragraph </para> <para> text in the last paragraph </para> </test>
<test>is the root element of the document. It is also parent of both
<para>elements and ancestor of all elements in the document (
<highlight>), which are in turn its descendants.
<para>elements are siblings.
An object is live if any change to the underlying document structure is reflected in the object.
Let's have MathML element
<apply>. It's local name is "apply". Namespace URI for MathML is "http://www.w3.org/1998/Math/MathML". If we define somewhere on parent element namespace prefix "mathml" (with construction xmlns:mathml="http://www.w3.org/1998/Math/MathML"), all MathML elements should use this prefix, so this will look like
<mathml:apply>, which is called quolified name.
Of course - if all descendant elements will be from the same namespace, we can define explicit namespace on appropriate root element of the fragment, i.e.
nameattribute in DOM HTML
For historical and other reasons some elements in HTML (...) have attribute
name. To confuse developers this attribute plays similar role as later introduced attribute
id and in a lot of cases they can be used for the same tasks (like accessing nodes in document via their name/id). But from the DOM view these two attributes are strictly devided and you can be quickly lost. See namedItem() method for more detailed explanation.
A convenience method is an operation on an object that could be accomplished by a program consisting of more basic operations on the object. Convenience methods are usually provided to make the API easier and simpler to use or to allow specific programs to create more optimized implementations for common operations. A similar definition holds for a convenience property.
From the developers point of view the most important difference between HTML and XHTML documents is that the XHTML documents are valid XML documents. See XHTML 1.0, chapter 4 for detailed explanation.
The XML Pointer Language (XPointer) - the language to be used as a fragment identifier for any URI-reference that locates a resource of Internet media type text/xml or application/xml. XPointer, which is based on the XML Path Language (XPath), supports addressing into the internal structures of XML documents. It allows for traversals of a document tree and choice of its internal parts based on various properties, such as element types, attribute values, character content, and relative position.