Run results for: blah418

Test name	Executions per second
for	3156031.2 Ops/sec
foreach	1548346.8 Ops/sec
some	1118478.6 Ops/sec
for-of	1030901.0 Ops/sec
babel for-of	626897.2 Ops/sec

for

for (var i = 0, l = array.length; i < l; i++) {
  x = (x + array[i]) >>> 0;
}

foreach

array.forEach(function(e) {
  x = (x + e) >>> 0;
});

some

array.some(function(e) {
  x = (x + e) >>> 0;
});

for-of

for (var e of array) {
  x = (x + e) >>> 0;
}

babel for-of

function _createForOfIteratorHelper(o, allowArrayLike) {
  var it =
    (typeof Symbol !== "undefined" && o[Symbol.iterator]) || o["@@iterator"];
  if (!it) {
    if (
      Array.isArray(o) ||
      (it = _unsupportedIterableToArray(o)) ||
      (allowArrayLike && o && typeof o.length === "number")
    ) {
      if (it) o = it;
      var i = 0;
      var F = function F() {};
      return {
        s: F,
        n: function n() {
          if (i >= o.length) return { done: true };
          return { done: false, value: o[i++] };
        },
        e: function e(_e) {
          throw _e;
        },
        f: F
      };
    }
    throw new TypeError(
      "Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."
    );
  }
  var normalCompletion = true,
    didErr = false,
    err;
  return {
    s: function s() {
      it = it.call(o);
    },
    n: function n() {
      var step = it.next();
      normalCompletion = step.done;
      return step;
    },
    e: function e(_e2) {
      didErr = true;
      err = _e2;
    },
    f: function f() {
      try {
        if (!normalCompletion && it.return != null) it.return();
      } finally {
        if (didErr) throw err;
      }
    }
  };
}
function _unsupportedIterableToArray(o, minLen) {
  if (!o) return;
  if (typeof o === "string") return _arrayLikeToArray(o, minLen);
  var n = Object.prototype.toString.call(o).slice(8, -1);
  if (n === "Object" && o.constructor) n = o.constructor.name;
  if (n === "Map" || n === "Set") return Array.from(o);
  if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n))
    return _arrayLikeToArray(o, minLen);
}
function _arrayLikeToArray(arr, len) {
  if (len == null || len > arr.length) len = arr.length;
  for (var i = 0, arr2 = new Array(len); i < len; i++) {
    arr2[i] = arr[i];
  }
  return arr2;
}
var _iterator = _createForOfIteratorHelper(array),
  _step;
try {
  for (_iterator.s(); !(_step = _iterator.n()).done; ) {
    var e = _step.value;
    x = (x + e) >>> 0;
  }
} catch (err) {
  _iterator.e(err);
} finally {
  _iterator.f();
}

Compare loop performance

for

foreach

some

for-of

babel for-of