Node Interface
The root of the inheritance structure for DOM objects is the Node. All other interfaces are descended from Node and inherit a number of its methods. The Node interface provides three basic areas of functionality that allow the developer to do the following:
Find information about the Node, such as its value, name, and type.
Read, update, and delete information.
Find children, parent, and sibling Node information.
What we consider the tips of an XML document tree are typically of the following node types: TEXT_NODE, CDATA_SECTION_NODE, and COMMENT_NODE. Most of the other nodes are normally found as special purpose children of a document, element, or tip node.
As we saw in Figure 3.4, nodes represent the branches, sub-branches, and ...
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