Join Joe Marini for an in-depth discussion in this video What is XPath?, part of XML Essential Training.
…A little earlier in the course, I talked about some complementary technologies for…working with XML.…And one of those is XPath, which is what we're going to cover in this section.…XPath is a W3C standard for assessing data in XML content.…And it's a pretty fundamental part of some other XML technologies like XSLT,…which we'll look at in a little bit, XQuery and some others.…Essentially, XPath allows you to define a path into an XML document.…
And you can kind of think of this as being analogous to…the way that directory paths work in a file system, right?…So, folders are sort of like tags that contain content and…file names are, you know, content of tags.…And so, you can have a path in a directory structure.…You can also have the same kind of path in an XML document structure.…You can learn a lot more about XPath at this URL on the W3C's website.…
What I'm going to do in the rest of this section is just give some…practical examples for how XPath works and then we'll take it for a spin.…Probably the best way to see what I mean by defining a path into a document is to…
- What is XML?
- The advantages and drawbacks of XML
- Proper XML syntax
- Working with namespaces
- Styling XML tags with CSS
- Extracting and manipulating data
- Taking XPath and XSLT for a spin
- Creating document type definitions and schema definitions
Skill Level Beginner
1. Getting Started
2. How Developers Use XML
Real-world examples of XML6m 21s
3. Basic Rules of XML
4. Starting to Work with XML
5. Using the DOM to Manipulate XML
6. XML and XPath
7. XML and XSLT
8. XSLT Examples
9. Creating Document Type Definitions (DTDs)
10. Creating XML Schema Definitions
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