XSLT TutorialLesson 59Free preview

XSLT <if>

This lesson is part of XML · All levels

Summary

<xsl:if> executes the block content only if the expression on the test attribute is worth true. This element has no else branch; for other branches use <xsl:choose>/<xsl:when>/<xsl:otherwise>. The test expression is written with the XPath syntax, for example price > 10 or @discount.

Key points

The test attribute must be filled with the boolean expression XPath
It has no else, only one branch of the condition
The number comparison is written directly: test="price > 10"
Testing the existence of attributes can be done by testing="@sale"
For many branches use <xsl:choose>

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