explicit conversion or in operator

JavaScript performance comparison

Test case created by Cezary Tomczyk

Preparation code

<script>
var global_result;
</script>
    

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
Explicit conversion
if (document.addEventListener) {
  global_result = true;
}
pending…
in operator
if ('addEventListener' in document) {
  global_result = true;
}
pending…

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