Lodash map vs forEach vs native for loop

JavaScript performance comparison

Revision 2 of this test case created by

Preparation code

<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/2.4.1/lodash.min.js"></script>
      
<script>
Benchmark.prototype.setup = function() {
  var a = [{
    "name": "Peter Parker"
  }, {
    "name": "Bruce Wayne"
  }, {
    "name": "Jack Frost"
  }];

};
</script>

Test runner

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
_.forEach
var b = [];
_.forEach(a, function(v, i) {

  b.push(v.name);
});
pending…
_.map
var b = _.map(a, function(v, i) {
  return v.name;
});
pending…
native for loop
var b = [];

for (var i = 0; i < a.length; i = i + 1) {
  b.push(a[i].name);
}
pending…

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