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<xsl:sort> - XSLT | MDN
<xsl:sort>
The <xsl:sort> element defines a sort key for nodes selected by <xsl:apply-templates> or <xsl:for-each> and determines the order in which they are processed.
Syntax
xml
<xsl:sort
select=EXPRESSION
order="ascending" | "descending"
case-order="upper-first" | "lower-first"
lang=XML:LANG-CODE
data-type="text" | "number" />
Required Attributes
None.
Optional Attributes
select-
Uses an XPath expression to specify the nodes to be sorted.
order-
Specifies whether the nodes should be processed in
ascendingordescendingorder. The default isascending. case-order-
Indicates whether upper- or lowercase letters are to be ordered first. The allowable values are
upper-firstandlower-first. lang-
Specifies which language is to be used by the sort.
data-type-
Defines whether items are to be ordered alphabetically or numerically. The allowable values are
textandnumberwithtextbeing the default.
Type
Subinstruction, always appears as a child of <xsl:for-each>, where it must appear before the template proper or of <xsl:apply-templates>.
Specifications
XSLT, section10.
Gecko support
Supported.