call vs apply w/ switch

JavaScript performance comparison

Test case created

Preparation code

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

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

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