select-multiple-add.html | Explore in Territory

<!DOCTYPE html>
<body>
<script src="../resources/runner.js"></script>
<select id="container" multiple></select>
<script>
var container = document.getElementById('container');
var nodes = [];
var childCount = 500;
for (var i = 0; i < childCount; ++i) {
    nodes.push(document.createElement('option'));
    nodes[i].selected = !!(i % 2);
}

PerfTestRunner.measureRunsPerSecond({
    description: 'Measures performance of adding option elements to a multi-selection select element.',
    run: function() {
        for (var i = 0; i < childCount; ++i)
            container.appendChild(nodes[i]);
        container.innerHTML = '';
    }
});
</script>
</body>

chromium/third_party/blink/perf_tests/dom/select-multiple-add.html