javascript associative vs non-associative arrays

JavaScript performance comparison

Revision 19 of this test case created

Preparation code

<script>
  var arr = [];
  var asc = {};
  var asd = {};
  var ase = [];
  var asf = [];
  var asg0 = 0, asg1 = 1, asg2 = 2;
  
  arr[0] = 0;
  arr[1] = 1;
  arr[2] = 2;
  
  asc.i0 = 0;
  asc.i1 = 1;
  asc.i2 = 2;
  
  asd.a = 0;
  asd.b = 1;
  asd.c = 2;
  
  ase['i0'] = 0;
  ase['i1'] = 1;
  ase['i2'] = 2;
  
  asf['a'] = 0;
  asf['b'] = 1;
  asf['c'] = 2;
</script>

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Testing in unknown unknown
Test Ops/sec
Object access with numbers
 
asc.i0;
asc.i1;
asc.i2;
 pending…
Object Access without numbers
 
asd.a;
asd.b;
asd.c;
 pending…
Associative Array with numbers
 
ase['i0'];
ase['i1'];
ase['i2'];
 pending…
Associative Array without numbers
 
asf['a'];
asf['b'];
asf['c'];
 pending…
Array access
 
arr[0];
arr[1];
arr[2];
 pending…
Variable access
 
asg0;
asg1;
asg2;
 pending…

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