dataset-enumeration.html

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This WPT test may be referenced by the following Test IDs:
- /html/dom/elements/global-attributes/dataset-enumeration.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

  <head>

    <title>Dataset - Enumeration</title>

    <script src="/resources/testharness.js"></script>

    <script src="/resources/testharnessreport.js"></script>

  </head>

  <body>

    <h1>Dataset - Enumeration</h1>

    <div id="log"></div>

    <script>

      function testEnumeration(array)

        var d = document.createElement("div");

        for (var i = 0; i < array.length; ++i)

          d.setAttribute(array[i], "value");

        var count = 0;

        for (var item in d.dataset)

          count++;

        return count;

      test(function() { assert_equals(testEnumeration(['data-foo', 'data-bar', 'data-baz']), 3); },

        "A dataset should be enumeratable.");

      test(function() { assert_equals(testEnumeration(['data-foo', 'data-bar', 'dataFoo']), 2); },

        "Only attributes who qualify as dataset properties should be enumeratable in the dataset.");

    </script>

  </body>

</html>