Array.isArray vs instanceof Array

JavaScript performance comparison

Test case created by ryanve

Preparation code


      
      <script>
Benchmark.prototype.setup = function() {
  var a = [1, 2, 3];
  var s = 'example';
  var f = false;

};
</script>

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
Array.isArray
(Array.isArray(a) && (Array.isArray(s) || Array.isArray(f)));
pending…
instanceof
(a instanceof Array && (s instanceof Array || f instanceof Array));
pending…

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