var global vs local 2

JavaScript performance comparison

Test case created by ahomegane

Preparation code

<script>
var a = 3;
</script>
<script>
Benchmark.prototype.setup = function() {
      function global() {
        var _b = 4;
        return a * _b;
      }
      function local() {
        var _a = a;
        var _b = 4;
        return _a * _b;
      }
};
</script>

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Testing in unknown unknown
Test Ops/sec
global
global();
pending…
local
local();
pending…

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