triple equals vs twice equals

JavaScript performance comparison

Revision 14 of this test case created by

Preparation code

var G_RESULT = void 0;
      
<script>
Benchmark.prototype.setup = function() {
  var testStr = 'test';
  var testInt = 111;
  var testIntSame = 111;
  var testIntDiff = 112;
  var testIntStr = '111';
  var result = true;

};

Benchmark.prototype.teardown = function() {
  G_RESULT = result;

};
</script>

Preparation code output

var G_RESULT = void 0;

Test runner

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
3-equals-false
result = result && (testStr === testInt);
pending…
2-equals-false
result = result && (testStr == testInt);
pending…
3-equals-true
result = result && (testIntStr === testInt);
pending…
2-equals-true
result = result && (testIntStr == testInt);
pending…
2-equals-true-non-coerced
result = result && (testIntSame == testInt);
pending…
2-equals-false-non-coerced
result = result && (testIntDiff == testInt);
pending…
3-equals-true-non-coerced
result = result && (testIntSame === testInt);
pending…
3-equals-false-non-coerced
result = result && (testIntDiff === testInt);
pending…

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Revisions

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var G_RESULT = void 0;