What is a text node in XML?
A text node encapsulates XML character content. A text node can have zero or one parent. However, unless the parent of a text node is empty, the content of the text node cannot be an empty string. Text nodes that are children of a document or element node never appear as adjacent siblings.
What is attribute node in XML?
Element Node − Every XML element is an element node. This is also the only type of node that can have attributes. Attribute Node − Each attribute is considered an attribute node. It contains information about an element node, but is not actually considered to be children of the element.
What is node in XML parsing?
An XML document is an ordered, labeled tree. Each node of the tree is an XML element and is written with an opening and closing tag . The standard for accessing and processing XML documents is the XML Document Object Model or DOM . The DOM represents elements, attributes and text within elements as nodes in a tree.
What is parent node in XML?
In the XML above, the element is the first child of the element, and the element is the last child of the element. Furthermore, the element is the parent node of the , , , and elements.
How many types of nodes are there in XML?
The XPath data model includes seven possible node types: root, element, attribute, namespace, processing instruction, comment, and text.
What are the four types of DOM nodes?
Four frequently used node types which are present in almost all HTML documents are:
- document node.
- element node.
- text node.
- comment node.
- Document Node.
What is XML depth?
Example of XML data Finally, the XML “depth” refers to the total layers of elements that exist in the XML document. For instance, example in Figure 1 has depth of 3 layers. Source publication. RBStreX: Hardware XML parser for embedded system.
What is the name of the parent tag in XML?
Each XML document has exactly one single root element. It encloses all the other elements and is therefore the sole parent element to all the other elements. ROOT elements are also called document elements.
Why is XML used?
By using XML, Web agents and robots (programs that automate Web searches or other tasks) are more efficient and produce more useful results. General applications: XML provides a standard method to access information, making it easier for applications and devices of all kinds to use, store, transmit, and display data.
What are the main types of DOM nodes?
Node Types
| Node type | Description | |
|---|---|---|
| 1 | Element | Represents an element |
| 2 | Attr | Represents an attribute |
| 3 | Text | Represents textual content in an element or attribute |
| 4 | CDATASection | Represents a CDATA section in a document (text that will NOT be parsed by a parser) |