in VS typeof

JavaScript performance comparison

Test case created by micheal hunt

Info

self suntory (navel hazing)

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var myObj = {'t1','t2','t3'};
};
</script>

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Testing in unknown unknown
Test Ops/sec
in
't1' in myObj;
pending…
typeof
typeof myObj.t1 !== 'undefined'
pending…

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