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JavaScript performance comparison

Test case created

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var el = document.createElement('input');
    var e = "click";
    var fn = function() {
      return true
    };
};
</script>

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Testing in unknown unknown
Test Ops/sec
sc
(((ep = "on") && (h = el['attachEvent'])) || ((ep = "") || (h = el['addEventListener']))).call(el, ep + e, fn);
pending…
std
if (el['addEventListener']) {
  el.addEventListener(e, fn);
} else {
  el.attachEvent("on" + e, fn);
}
pending…

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