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Editorial Team
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Asked: 2026-05-22T16:59:38+00:00

In the documentation , some features have worked on selectors since version 1.0. But

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In the documentation, some features have worked on selectors since version 1.0. But added to version 1.6 is the same feature that now works on an element. How is this something that was added? Is there a difference between a tag selector and an element?

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1 Answer

  1. Editorial Team

    A selector is a string. An element is the DOM object that you use selectors to select. The documentation you linked to has an example:

    Checks against an existing collection
    of alternating list elements. Blue,
    alternating list elements slide up
    while others turn red.

    <!DOCTYPE html>
<html>
<head>
  <style>li { cursor:pointer; }</style>
  <script src="http://code.jquery.com/jquery-latest.js"></script>
</head>
<body>

<ul id="browsers">
  <li>Chrome</li>
  <li>Safari</li>
  <li>Firefox</li>
  <li>Opera</li>
</ul>
<script>
  var $alt = $("#browsers li:nth-child(2n)").css("background", "#00FFFF");
  $('li').click(function() {
    if ( $alt.is( this ) ) {
      $(this).slideUp();
    } else {
      $(this).css("background", "red");
    }
  });
</script>

</body>
</html>

    Notice how the argument to $alt.is is the element that was clicked, this, not a jQuery selector string.

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