DOM
In this chapter you will learn:
What is DOM
DOM stands for document object model. The Document Object Model (DOM) is a cross-platform and language-independent. DOM is a convention for representing and interacting with objects in XML documents.
A DOM parser loads the entire document into a memory tree structure so that the nodes of the tree can be randomly accessed. The nodes are all linked together in parent/child relationships that are representative of the relationships in the original document.
Each tree node in the parsed DOM tree represents an DOM object. The following table lists objects that make up the parse tree.
| Name | Description |
|---|---|
| Attr | An attribute consisting of a name and a value to be associated with the name. |
| CDATASection | A block of text in an escape format. |
| Comment | The text of a comment. |
| Document | The root node of the entire document tree. |
| DocumentFragment | A lightweight form of Document. |
| DocumentType | The node in the tree that contains descriptive information about the format of the elements. |
| Element | A tag used to mark up a section of text. |
| Entity | An entity, either parsed or unparsed. |
| EntityReference | An unexpanded entity. |
| Notation | A notation declared as part of the DTD or schema. |
| ProcessingInstruction | A processing instruction is a processor-specific instruction included in the document. |
| Text | Character data. |
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