Typed array iteration

JavaScript performance comparison

Test case created by Bruno Garcia

Preparation code

<script>
  var classic = new Array(500);
  var unfixed = new Int8Array(); // Don't do this
  var fixed = new Int8Array(500);
</script>

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Testing in unknown unknown
Test Ops/sec
Classic
for (var ii = 0; ii < 500; ++ii) {
 classic[ii] += 1;
}
pending…
Unfixed
for (var ii = 0; ii < 500; ++ii) {
 unfixed[ii] += 1;
}
pending…
Fixed
for (var ii = 0; ii < 500; ++ii) {
 fixed[ii] += 1;
}
pending…

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