:nth-of-type() JQ Home  <<  Selectors  <<  :nth-of-type()

Structural pseudo-class selector.

Shorthand version $(':nth-of-type(index/equation/even/odd)')

Description

The (':nth-of-type()') selector, selects all elements that are the nth child of their parent relative to siblings with the same element name.

Be aware that unlike all other selectors and JavaScript generally which is zero-index based the index for nth selectors start at 1. So as an example the first element selected will be odd and not even because of this.

  • If this selector is not preceded by another selector the universal selector ("*") is implied and so the whole DOM will be searched. Use another selector as in the examples below to narrow the search and improve performance.

Syntax

Signature Description
jQuery(':nth-of-type(index/equation/even/odd)')Structural pseudo-class match

Parameters

Parameter Description
index/equation/even/oddindex - index starting from 1   or
equation - to work out nth position   or
even - all even children   or
odd - all odd children.

Return

N/A.

:nth-of-type() Example Selectors  <<  Top

Selects all elements that are the nth child of their parent relative to siblings with the same element name.

In the example below when we press the left button we select all odd children 'td' elements on the page that are the last of type child of their parents and change the background colour of these elements to yellow.

When the right button is pressed we will select all even children 'td' elements on the page and change the background colour of these elements to green.



$(function(){
  $('#btn39').on('click', function() {
    $('td:nth-of-type(odd)').css('backgroundColor', 'yellow');
  });

  $('#btn40').on('click', function() {
    $('td:nth-of-type(even)').css('backgroundColor', 'green');
  });
}); 


Press the button below to action the above code:

                 

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