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<!DOCTYPE html>

<html lang="en">

<head>

  <meta charset="utf-8">

  <title>data — object</title>

</head>

<body>

  <div id="box">Box</div>

  <pre id="out"></pre>

  <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>

  <script>

    (function () {

      var div = document.getElementById("box");

      jQuery.data(div, "test", { first: 16, last: "pizza!" });

      var test = jQuery.data(div, "test");

      document.getElementById("out").textContent = [

        "first: " + test.first,

        "last: " + test.last

      ].join("\n");

    })();

  </script>

</body>

</html>

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jQuery.data() — Store Object (Try It)