XML Essentials [Episode 2] – XPath

#define path into XML document

#W3C standard way to access XML data

Definitions

#”Path Expression” = series of location steps
#”Context Node” = Where path evaluation start from
#”Axis” = Relationship between context and selected nodes
#”Predicates” = Further refinement to selection process

Practice XPath Online:
> http://www.xpathtester.com/xpath
> http://www.freeformatter.com/xpath-tester.html
> http://www.w3schools.com/xpath/xpath_examples.asp

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