Preparation code

 
<script>
  Benchmark.prototype.setup = function() {
    function mult(val) {
        return val * 0.0444444444444;
    }
    function div(val) {
        return val / 22.5;
    }
  };
</script>

Test runner

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var i, r;
for (i = 0; i < 360; i++) {
    r = div(i);
}

var i, r;
for (i = 0; i < 360; i++) {
    r = mult(i);
}

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