Preparation code

 
<script>
  Benchmark.prototype.setup = function() {
    function divide (denominator) {
        return 2/denominator;
    }
  };
</script>

Test runner

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for (i=0; i<50; i++) {
    if (i) divide(i);
}

for (i=0; i<50; i++) {
    try {
        divide(i);
    } catch (e) {}
}

for (i=0; i<50; i++) {
    try {
        divide(i);
    } finally {}
}

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