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Editorial Team
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Asked: 2026-06-18T06:54:25+00:00

Can anyone explain to me what the heck is going on with the jQuery

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Can anyone explain to me what the heck is going on with the jQuery .is() function?

I have a situation where I’m checking to see if an element is the first of a group of elements that I have selected.

<div>
   <ul>
      <li>first</li>
      <li>second</li>
      <li>third</li>
      <li>last</li>
   </ul>
</div>

$('div > ul > li').first().is(':first') or
$('div > ul').find('li:first').is('li:first')

returns false…. what is going on here?

$('div > ul > li').last().is(':last') or
$('div > ul').find('li:last').is('li:last')

return true

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1 Answer

  1. Editorial Team

    The selector :first just selects the first element from all elements on the page. That one is <html>, try running $(":first"). :last works in your case because the last <li> also happens to be the last element on the whole page.

    You might want :first-of-type or :first-child instead.

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