props

JavaScript performance comparison

Test case created by

Preparation code


      
      <script>
Benchmark.prototype.setup = function() {
  var obj = {foo: "foo"}
  for (let i = 0; i < 1000; ++i) {
      obj[i] = i
  }

};
</script>

Test runner

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
"foo" in obj
if ("foo" in obj) {}
pending…
"777" in obj
if ("777" in obj) {}
pending…
obj.foo !== undefined
if (obj.foo !== undefined) {}
pending…
obj["foo"] !== undefined
if (obj["foo"] !== undefined) {}
pending…
obj["777"] !== undefined
if (obj["777"] !== undefined) {}
pending…

Revisions

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