undefined-first-child.html | Explore in Territory

<!DOCTYPE html>
<html>
<body>
<script src="../resources/runner.js"></script>
<script>
var div = document.createElement("div");

PerfTestRunner.measureRunsPerSecond({
    description: "This benchmark covers undefined DOM attributes that return a null.",
    run: function() {
        var localDiv = div;
        for (var i = 0; i < 100000; i++)
            localDiv.firstChild;
}});
</script>
</body>
</html>

chromium/third_party/blink/perf_tests/bindings/undefined-first-child.html