:only-of-typeS2C Home « Selectors « :only-of-type

Only of type child selector.

Shorthand version $(':only-of-type')

Description

The (':only-of-type') selector, selects elements that have no siblings with the same element name.

  • Only unique child elements will be selected.
  • 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(':only-of-type')Only of type selector match

Parameters

None.

Return

N/A.

:only-of-type ExamplesTop

Selects all elements that have no siblings with the same element name.

The following example will check for single 'a' child elements within the main content area and turn the background colour orange.


$(function(){
  $('#btn1').on('click', function() {
    $("#main a:only-of-type").css('backgroundColor', 'orange'); 
  });
}); 

Press the button below to action the above code:


The following example will check for single 'input' child elements within 'p' elements and turn the background colour teal.


$(function(){
  $('#btn2').on('click', function() {
    $("p input:only-of-type").css('backgroundColor', 'teal'); 
  });
}); 

Press the button below to action the above code:


The following example will check for single 'span' child elements within 'b' elements and turn the background colour yellow.


$(function(){
  $('#btn3').on('click', function() {
    $("b span:only-of-type").css('backgroundColor', 'yellow'); 
  });
}); 

Press the button below to action the above code:


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