Fastest array loops in Javascript

JavaScript performance comparison

Revision 598 of this test case created by Roman Maksimov

Preparation code

<script>
  function someFn(ix) {
    try { 
        ix += 1; 
        if (ix < 0) {
           throw new Error('e');
        }
    } catch (e){
        alert(e);
    }
    return ix * 5 + 1 / 3 * 8;
  }
  
var testArr = [];
for (i = 0; i < 1000; i++) {
	testArr[i] = i+1;
}

</script>
      
<script>
Benchmark.prototype.setup = function() {
  // Populate the base array
  var arr = testArr.slice();

};
</script>

Test runner

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
For of
var v;
for (v of arr) {
	someFn(v);
}
pending…

Revisions

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