The last chapter focused on how to create conditional content using XSLT, and along the way we introduced XPath expressions. XPath expressions are simple bits of code that a processor evaluates to get a value. XPath expressions are used by XSLT a lot, but other languages such as XPointer also use them. In the last chapter you learned about the four basic data types in XPath: booleans, numbers, strings, and node sets.
KeywordsRoot Node Global Variable Series Variable Select Attribute Location Path
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