true() and false() function : true « XSLT stylesheet « XML Tutorial

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XML Tutorial » XSLT stylesheet » true 
5.40.1.true() and false() function
File: Transform.xslt


<?xml version="1.0"?>
<xsl:stylesheet version="1.0"
  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 1.0&#xA;</xsl:text>
    <xsl:text>&#xA;  = </xsl:text>
    <xsl:value-of select="9 + 3"/>
    <xsl:text>&#xA;  3.8 = </xsl:text>
    <xsl:value-of select="9 + 3.8"/>
    <xsl:text>&#xA;  '4' = </xsl:text>
    <xsl:value-of select="9 + '4'"/>
    <xsl:text>&#xA;  'Q' = </xsl:text>
    <xsl:value-of select="9 + 'Q'"/>
    <xsl:text>&#xA;  true() = </xsl:text>
    <xsl:value-of select="9 + true()"/>
    <xsl:text>&#xA;  false() = </xsl:text>
    <xsl:value-of select="9 + false()"/>
  </xsl:template>
</xsl:stylesheet>

Output:

Tests of addition in XPath 1.0

  12
  3.8 12.8
  '4' 13
  'Q' = NaN
  true() 10
  false() = 9
5.40.true
5.40.1.true() and false() function
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