:eq()S2C Home « Selectors « :eq()

Equals index selector.

Shorthand version $(':eq(index)')

Description

The :eq() selector, selects the element at index n within the matched set.

Like all the positional selectors :eq() uses a zero-based index to select from previously filtered elements.

Being a jQuery extension the :eq() pseudo selector is not part of any current CSS specification. Therefore :eq() 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 eq() method with a valid CSS selector, for example $("cssSelector").eq(index).

Syntax


Signature Description
jQuery(':eq(index)')Index equals match
jQuery(':eq(-index)')Index equals match navigating backwards from end of matched set

Parameters


Parameter Description
indexAn integer indicating the 0-based position of the element.
-indexAn integer indicating the position of the element, counting backwards from the last element in the set.

Return

N/A.

:eq() Examplego to top of page Top

Selects the element at index n within the matched set.

In the example below when we press the left button we apply an orange background to the 2nd table row (notice that index is 1).

When we press the left button we apply an teal background to the 2nd table row from the end (notice that index is -2).

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(){
  $('#btn11').on('click', function() {
    $('.testtable tr:eq(1)').css('backgroundColor', 'orange');
  });
  $('#btn11b').on('click', function() {
    $('.testtable tr:eq(-2)').css('backgroundColor', 'teal');
  });
});

Press the button below to action the above code:

           


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