map-vs-foreach-speed-test

JavaScript performance comparison

Test case created by cjaramillo

Preparation code


      
      <script>
Benchmark.prototype.setup = function() {
  let arr = [];
  for (var i=0; i<10000; i++, arr.push(i));
  

};
</script>

Test runner

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
Map
let doubled = arr.map(num => {
	return num * 2;
});
pending…
ForEach
arr.forEach((num, index)=> {
	return arr[index] = num * 2;
});
pending…

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