api.jquery.com/entries/even-selector.xml at b261842171a142fd747639839bfb717b650b4676 · jquery/api.jquery.com · GitHub

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<?xml version="1.0"?>
<entry type="selector" name="even" return="">
  <title>:even Selector</title>
  <sample>:even</sample>
  <signature>
    <added>1.0</added>
  </signature>
  <desc>Selects even elements, zero-indexed.  See also <a href="/Selectors/odd">odd</a>.</desc>
  <longdesc>
    <p>In particular, note that the <em>0-based indexing</em> means that, counter-intuitively, <code>:even</code> selects the first element, third element, and so on within the matched set.</p>
  </longdesc>
  <note id="jquery-selector-extension" type="additional" data-selector=":even"/>
  <note id="document-order" type="additional"/>
  <example>
    <desc>Finds even table rows, matching the first, third and so on (index 0, 2, 4 etc.).</desc>
    <code><![CDATA[$("tr:even").css("background-color", "#bbbbff");]]></code>
    <css><![CDATA[
  table {
    background:#eeeeee;
  }
  ]]></css>
    <html><![CDATA[<table border="1">
    <tr><td>Row with Index #0</td></tr>
    <tr><td>Row with Index #1</td></tr>

    <tr><td>Row with Index #2</td></tr>
    <tr><td>Row with Index #3</td></tr>
  </table>]]></html>
  </example>
  <category slug="selectors/basic-filter-selectors"/>
  <category slug="selectors/jquery-selector-extensions"/>
  <category slug="version/1.0"/>
</entry>