Categories

:even Selector

Categories: jQuery Extensions | Basic Filter

jQuery(':even')

Description: Selects even elements, zero-indexed. See also odd.

  • jQuery(':even')

    version added: 1.0

In particular, note that the 0-based indexing means that, counter-intuitively, :even selects the first element, third element, and so on within the matched set.

Note:

Because :even is a jQuery extension and not part of the CSS specification, queries using :even cannot take advantage of the performance boost provided by the native DOM querySelectorAll() method. To achieve the best performance when using :even to select elements, first select the elements using a pure CSS selector, then use .filter(":even").
  • Finds even table rows, matching the first, third and so on (index 0, 2, 4 etc.).

    HTML:
    <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>
    CSS:
    
    
      table {
        background:#eeeeee;
      }
      
    Code:
    $("tr:even").css("background-color", "#bbbbff");