XPath Nodes - XPath Tutorial
XPath is a query language used to extract information from an XML document. The XPath Node refers to a specific element or attribute in an XML document. In this tutorial, we will go through the XPath Nodes.
Syntax
The syntax for XPath Nodes is as follows:
nodename
where nodename
refers to the name of the element or attribute.
Example
Consider the following XML document:
<root>
<book>
<title>The Great Gatsby</title>
<author>F. Scott Fitzgerald</author>
<price>10.99</price>
</book>
<book>
<title>To Kill a Mockingbird</title>
<author>Harper Lee</author>
<price>7.99</price>
<isbn>978-0446310789</isbn>
</book>
</root>
To select the title
element of the first book
node, the XPath would be:
/root/book[1]/title
Output
The output of the XPath expression mentioned in the example is:
The Great Gatsby
Explanation
By using the XPath expression /root/book[1]/title
, we are selecting the first book
node's title
element.
Use
XPath Nodes are used to access specific elements or attributes in an XML document. It allows users to filter and extract data from an XML document.
Important Points
- XPath Nodes refer to a specific element or attribute in an XML document.
- The syntax for XPath Nodes is
nodename
. - XPath Nodes are used to access specific elements or attributes in an XML document.
- XPath can be used with different programming languages.
Summary
In this tutorial, we covered the XPath Nodes. We learned about the syntax, examples, explanation, use, important points, and the summary of XPath nodes. XPath nodes allow users to access specific elements or attributes in an XML document, making it easier to manage and extract data from XML documents.