:even    ** DEPRECATED **S2C Home « Selectors « :even

Even index selector.

Shorthand version $(':even')

Description

The :even selector, selects even elements within the matched set.

  • Like all the positional selectors:even uses a zero-based index to select from previously filtered elements.
  • Being a jQuery extension the :even pseudo selector is not part of any current CSS specification. Therefore :even cannot take advantage of the performance boost provided by the native DOM querySelectorAll() method.
  • The same results can be achieved with better performance using the :even method with a valid CSS selector, for example $('.testtable td').even().css('backgroundColor', 'purple');.

This method was deprecated in jQuery 3.4.

Syntax

Signature Description
jQuery(':even')Even numbered index match

Parameters

None.

Return

N/A.

:even ExampleTop

Selects even elements within the matched set.

In the example below we apply an orange background to all even table rows.

Table For Testing Positional Selectors
Table Row 1, Table Data 1 Table Row 1, Table Data 2
Table Row 2, Table Data 1 Table Row 2, Table Data 2
Table Row 3, Table Data 1 Table Row 3, Table Data 2
Table Row 4, Table Data 1 Table Row 4, Table Data 2


$(function(){
  $('#btn1').on('click', function() {
    $('.testtable tr:even').css('backgroundColor', 'orange');
  });
});

Press the button below to action the above code:


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