demonstrates string conversion : number function « XSLT stylesheet « XML Tutorial

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XML Tutorial » XSLT stylesheet » number function 
5. 15. 2. demonstrates string conversion
File: Data.xml
<?xml version="1.0" encoding="utf-8"?>
<data>
    <text>124</text>
    <text>1 2 4</text>
    <text>-16</text>
    <text>- 16</text>
    <text>125.258</text>
    <text>125.</text>
    <text>ASDF</text>
    <text>A123</text>
    <text>true</text>
    <text>false()</text>
</data>
File: Transform.xslt

<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet
      version="1.0"
      xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
    <xsl:template match="/">
      <TABLE border="1">
        <TR>
          <td>text</TH>
          <td>number</TH>
        </TR>
        <xsl:for-each select="//text">
          <TR>
            <TD>
              <xsl:value-of select="."/>
            </TD>
            <TD>
              <xsl:value-of select="number()"/>
            </TD>
          </TR>
        </xsl:for-each>
      </TABLE>
    </xsl:template>
</xsl:stylesheet>
Output:

<?xml version="1.0" encoding="UTF-8"?><TABLE border="1"><TR><td>text</TH><td>number</TH></TR><TR><TD>124</TD><TD>124</TD></TR><TR><TD>1 2 4</TD><TD>NaN</TD></TR><TR><TD>-16</TD><TD>-16</TD></TR><TR><TD>- 16</TD><TD>NaN</TD></TR><TR><TD>125.258</TD><TD>125.258</TD></TR><TR><TD>125.</TD><TD>125</TD></TR><TR><TD>ASDF</TD><TD>NaN</TD></TR><TR><TD>A123</TD><TD>NaN</TD></TR><TR><TD>true</TD><TD>NaN</TD></TR><TR><TD>false()</TD><TD>NaN</TD></TR></TABLE>
5. 15. number function
5. 15. 1. if element value is a number
5. 15. 2. demonstrates string conversion
5. 15. 3. conversion of boolean values true and false
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