Run results for: JS Filter Test large array

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 15_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.6.1 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 15

Operating system: iOS 15.6.1

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
array.find	3709468.8 Ops/sec
array.filter	2108021.2 Ops/sec
lodash.filter	2311844.5 Ops/sec

HTML Preparation code:

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.4/jquery.min.js">
</script>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.29/angular.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.2/lodash.min.js"></script>
<script>
  _lodash = _.noConflict();
</script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore-min.js"></script>

Script Preparation code:

var angularFilter = angular.injector(['ng']).get('$filter')('filter');

// Generate test array
window.array = (function() {
  var arr = [];
  for (var i = 0; i < 100; ++i) {
    arr.push(i);
  }

  return arr;
}());

Array.prototype.find = function(predicate) {
  if (this == null) {
    throw new TypeError('Array.prototype.find called on null or undefined');
  }
  if (typeof predicate !== 'function') {
    throw new TypeError('predicate must be a function');
  }
  var list = Object(this);
  var length = list.length >>> 0;
  var thisArg = arguments[1];
  var value;

  for (var i = 0; i < length; i++) {
    value = list[i];
    if (predicate.call(thisArg, value, i, list)) {
      return value;
    }
  }
  return undefined;
};

function getValue(el) {
	return el - 50 > 31;
}

Tests:

array.find
array.find(getValue);
array.filter
array.filter(getValue);
lodash.filter
_lodash.filter(array, getValue);

Run results for: JS Filter Test large array

array.find

array.filter

lodash.filter