call vs apply w/ switch

JavaScript performance comparison

Revision 8 of this test case created

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var obj = {};
    var args = [1, 2, 3];
    var fn = function (a, b, c) {
      this.a = a;
      this.b = b;
      this.c = c;
    };
};
</script>

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Testing in unknown unknown
Test Ops/sec
switch/call
switch (args.length) {
  case 0: break;
  case 1: break;
  case 2: break;
  case 3: fn.call(obj, args[0], args[1], args[2]);
}
pending…
apply
fn.apply(obj, args);
pending…

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