Subject: [xsl] The fundamental differences between XPath and XSLT? From: "Costello, Roger L." <costello@xxxxxxxxx> Date: Wed, 9 Apr 2008 07:23:51 -0400 |
Hi Folks, I have a few questions: 1. An XPath expression operates on one or more in-memory node trees. (a) True (b) False 2. An XPath expression cannot change an in-memory node tree. (More precisely, "Evaluating an XPath expression cannot result in changes to any in-memory node trees.") (a) True (b) False 3. XPath can only be used to: - navigate through an in-memory node tree - retrieve values from the in-memory node tree - operate on the values it retrieves (the result of an operation does not modify the in-memory node tree) (a) True (b) False 4. An XSLT element operates on one or more in-memory node trees. (a) True (b) False 5. An XSLT element can change an in-memory node tree. (More precisely, "Evaluating an XSLT element can result in changes to one or more in-memory node trees.") (a) True (b) False 6. The "in-memory node tree" referenced above is always a "DOM tree." Thus, for example, (1) is more precisely phrased as: An XPath expression operates on one or more DOM trees. (a) True (b) False Thanks! /Roger
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