1<!DOCTYPE html>
2<html>
3<body>
4<h1 id="id" class="class"></h1>
5<script src="/resources/runner.js"></script>
6<script>
7PerfTestRunner.measureRunsPerSecond({
8    description: "This benchmark tests querySelectorAll() for an element that appears near the head of the document",
9    run: function() {
10        for (var i = 0; i < 1000; i++) {
11            document.querySelectorAll("h1");
12            document.querySelectorAll("#id");
13            document.querySelectorAll(".class");
14        }
15    }});
16</script>
17</body>
18</html>
19