<script>

if (window.testRunner)
    testRunner.waitUntilDone();

function load()
{
    setTimeout(() => {
        range.setAttribute("list", "markers");

        if (window.testRunner)
            testRunner.notifyDone();
    }, 0);
}

</script>
<body onload="load()">
<input type="range" id="range">
<datalist id="markers">
    <option value="0"></option>
    <option value="25"></option>
    <option value="50"></option>
    <option value="75"></option>
    <option value="100"></option>
</datalist>
