dot vs brackets

JavaScript performance comparison

Test case created by Anton Viller

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var a = {
      a: {
        a: {
          a: {
            a: {
              a: {
                a: {
                  a: {
                    a: {
                      a: 42
                    }
                  }
                }
              }
            }
          }
        }
      }
    };
};
</script>

Test runner

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Testing in unknown unknown
Test Ops/sec
dot
var foo = a.a.a.a.a.a.a.a.a.a + a.a.a.a.a.a.a.a.a.a;
pending…
brackets
var foo = a['a']['a']['a']['a']['a']['a']['a']['a']['a'] + a['a']['a']['a']['a']['a']['a']['a']['a']['a'];
pending…

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