redefine vs closure

JavaScript performance comparison

Test case created

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var f1 = function() {
   
        function r(i) {
          return i + 1;
        }
   
        for (var i = 0; i < 100; i++) {
          r(i);
        }
   
        };
   
    var f2 = (function() {
   
      function r(i) {
        return i + 1;
      }
      return function() {
        for (var i = 0; i < 100; i++) {
          r(i);
        }
      };
    })();
   
};
</script>

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Testing in unknown unknown
Test Ops/sec
redefine
f1();
pending…
closure
f2();
pending…

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