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<?xml version="1.0" encoding="UTF-8" ?>
<dt-option group="columns">
<name>columns.orderData</name>
<summary>Define multiple column ordering as the default order for a column</summary>
<since>1.10</since>
<type type="integer">
<description>A single column index to order upon</description>
</type>
<type type="array">
<description>Multiple column indexes to define multi-column sorting</description>
</type>
<default>
Takes the index value of the column automatically
</default>
<description>
Allows a column's sorting to take multiple columns into account when doing a order.
For example with first name / last name columns next to each other, it is intuitive that they would be linked together to multi-column sort.
</description>
<example title="Using `orderData` to define multi-column sorting with `dt-init columnDefs`"><![CDATA[
$('#example').dataTable( {
"columnDefs": [
{ "orderData": [ 0, 1 ], "targets": 0 },
{ "orderData": 0, "targets": 1 },
{ "orderData": [ 2, 3, 4 ], "targets": 2 }
]
} );
]]></example>
<example title="Using `orderData` to define multi-column sorting with `dt-init columns`"><![CDATA[
$('#example').dataTable( {
"columns": [
{ "orderData": [ 0, 1 ] },
{ "orderData": 0, },
{ "orderData": [ 2, 3, 4 ] },
null,
null
]
} );
]]></example>
<related type="option">ordering</related>
<related type="option">order</related>
<related type="api">order()</related>
<related type="api">column().order()</related>
<related type="api">columns().order()</related>
</dt-option>
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