xsl:if

Conditionally instantiates the contained template body.

Format


<xsl:if test = "expression"> template_body </xsl:if>

Description

The XSLT processor evaluates the expression and converts the result to a Boolean value. If the result is true, the XSLT processor instantiates template_body. If the result is false, the xsl:if element has no effect.

Example

This following example formats a group of names as a comma-separated list:

<xsl:template match="namelist/name">
               

              
                <xsl:value-of select="." />
                   
<xsl:if test="not(position()=last())">, </xsl:if>
                   

                
              
</xsl:template>

If you want the XSLT processor to choose which template to instantiate from several possibilities, specify the xsl:choose instruction. See xsl:choose.

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