<html>
<script>
    function test() {
        if (window.testRunner)
            testRunner.dumpAsText();
        var list = document.getElementById("S1");
        list.remove(3);
        log(list.length == 3 ? "Passed" : "Failed");
    }
    function log(msg) {
        var console = document.getElementById('console');
        console.innerHTML = console.innerHTML + msg + "<br>";
    }
</script>
</head>
<body onload="test()">
    <br>This tests that an option in a optgroup can be removed from the containing select.</br>
    <select name="S1" id="S1">
        <optgroup label="Group 1">
          <option value="1">Option 1</option>
          <option value="2">Option 2</option>
          <option value="3">Option 3</option>
          <option value="4">Option 4</option>
        </optgroup>
    </select>
    <div id="console"></div>
</body>
</html>