JavaScript Tutorial

jQuery.unique()

<!DOCTYPE html>
<html>
<head>
  <style>
  div { color:blue; }
  </style>
  <script src="http://code.jquery.com/jquery-latest.js"></script>
</head>
<body>
    <div>There are 6 divs in this document.</div>
  <div></div>
  <div class="dup"></div>
  <div class="dup"></div>
  <div class="dup"></div>
  <div></div>
<script>
    var divs = $("div").get(); // unique() must take a native array
    // add 3 elements of class dup too (they are divs)
    divs = divs.concat($(".dup").get());
    $("div:eq(1)").text("Pre-unique there are " + divs.length + " elements.");
    divs = jQuery.unique(divs);
    $("div:eq(2)").text("Post-unique there are " + divs.length + " elements.")
                  .css("color", "red");
</script>
</body>
</html>