Preparation code

 
<script>
  Benchmark.prototype.setup = function() {
    var createArray1 = function() {
      var v = [];
      v.length = 16;
      return v;
    }
    
    var createArray2 = function() {
      return new Array(16);
    }
    
    var createArray3 = function() {
      return [0, 0, 0, 0,
              0, 0, 0, 0,
              0, 0, 0, 0,
              0, 0, 0, 0];
    }
    
  };
</script>

Test runner

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var a = createArray1(16);
 

var a = createArray2(16);
 

var a = createArray3(16);
 

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