marker-attribute.html

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This test has a WPT meta file that expects 4 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /html/dom/partial-updates/tentative/marker-attribute.html - WPT Dashboard Interop Dashboard

<!doctype html>

<html>

  <head>

    <title>The marker attribute</title>

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

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

  </head>

  <body>

    <span id="s_no_marker"></span>

    <span id="s_marker" marker="marker1"></span>

    <span id="s_2_markers" marker="marker1 marker2"></span>

    <script>

      "use strict";

      test(function () {

        assert_equals(s_no_marker.marker, "");

      }, "Access to .marker returns an empty string");

      test(function () {

        assert_equals(s_2_markers.marker, "marker1 marker2");

      }, "Multiple names stay a single string");

      test(function () {

        assert_equals(s_no_marker.marker, "");

        s_no_marker.marker = "marker1";

        assert_equals(s_no_marker.marker, "marker1");

      }, "Setting .marker updates the attribute.");

      test(function () {

        const element = document.createElement("div");

        element.setAttribute("marker", "  marker1 ");

        assert_equals(element.marker, "  marker1 ");

      }, "marker retains whitespace");

    </script>

  </body>

</html>