value-of select="." : Abbreivation « XPath « XML Tutorial

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XML Tutorial » XPath » Abbreivation 
4. 10. 8. value-of select="."
File: Data.xml
<?xml version="1.0"?>
<greeting>
  Hello, World!
</greeting>


File: Transform.xslt

<?xml version="1.0"?>
<xsl:stylesheet version="1.0" 
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

  <xsl:output method="html"/>

  <xsl:template match="/">
    <xsl:apply-templates select="greeting"/>
  </xsl:template>
  
  <xsl:template match="greeting">
    <html>
      <body>
        <h1>
          <xsl:value-of select="."/>
        </h1>
      </body>
    </html>
  </xsl:template>

</xsl:stylesheet>

Output:

<html>
   <body>
      <h1>
         Hello, World!
         
      </h1>
   </body>
</html>
4. 10. Abbreivation
4. 10. 1. Wildcard "*" selects all possibilities
4. 10. 2. "//" has two meanings
4. 10. 3. List the elements in an xml document
4. 10. 4. Count elements and attributes
4. 10. 5. template match="*" (asterisk)
4. 10. 6. template match="brand|name|units"
4. 10. 7. template match="/"
4. 10. 8. value-of select="."
4. 10. 9. Axis child:: can be be omitted from a location step as it is the default axis.
4. 10. 10. .. is short for parent::
4. 10. 11. // is short for /descendant-or-self::
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