XML/XSLT stylesheet/number function

Convert char and boolean to number

   <source lang="xml">

File: Data.xml

File: Transform.xslt <?xml version="1.0"?> <xsl:stylesheet version="2.0"

 xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
 xmlns:xs="http://www.w3.org/2001/XMLSchema">
 <xsl:output method="text"/>
 <xsl:template match="/">
   <xsl:text>Tests of addition in XPath 2.0
</xsl:text>
   <xsl:text>
  9 + 3 = </xsl:text>
   <xsl:value-of select="9 + 3"/>
   <xsl:text>
  9 + 3.8 = </xsl:text>
   <xsl:value-of select="9 + 3.8"/>
   <xsl:text>
  9 + number("4") = </xsl:text>
   <xsl:value-of select="9 + "4"" version="1.0"/>
   <xsl:text>
  9 + number("Q") = </xsl:text>
   <xsl:value-of select="9 + number("Q")"/>
   <xsl:text>
  9 + number(true()) = </xsl:text>
   <xsl:value-of select="9 + number(true())"/>
   <xsl:text>
  9 + number(false()) = </xsl:text>
   <xsl:value-of select="9 + number(false())"/>
 </xsl:template>

</xsl:stylesheet>

Output: Tests of addition in XPath 2.0

 9 + 3 = 12
 9 + 3.8 = 12.8
 9 + number("4") = 13
 9 + number("Q") = NaN
 9 + number(true()) = 10
 9 + number(false()) = 9
</source>