semicolons vs not semicolons

JavaScript performance comparison

Test case created by Thomas

Preparation code


      
      <script>
Benchmark.prototype.setup = function() {
  function randomFunctionWithSemicolons(a, b) {
    return a + b;
  }
  
  function randomFunctionWithoutSemicolons(a, b) {
    return a + b
  }

};
</script>

Test runner

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Java applet disabled.

Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
With semicolons.
var i = 0;
var length = 100;
while (i < length) {
  i--;
  i--;
  randomFunctionWithSemicolons(i, i + 1);
  i += 2;
  i++;
}
pending…
Without semicolons.
var i = 0
var length = 100
while (i < length) {
  i--
  i--
  randomFunctionWithoutSemicolons(i, i + 1)
  i += 2
  i++
}
pending…

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