Preparation code

<div id="foo">
<p>Lorem Ipsum</p>
</div>
<script>
  Benchmark.prototype.setup = function() {
    var cachedSelector = document.getElementById("foo");
    var elid = document.getElementById;
  };
</script>

Preparation code output

Test runner

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Java applet disabled.

for (var i = 0; i < 10; i++){
cachedSelector.style = "display: none;"}

for (var i = 0; i < 10; i++){
document.getElementById("foo").style = "display: none;"}

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