Run results for: Lodash Streams vs Vanilla Javascript v2

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_1_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.1.1 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 18

Operating system: iOS 18.1.1

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
Lodash	1182.2 Ops/sec
Vanilla Javascript	982.7 Ops/sec

Script Preparation code:

function getRandomInt(max) {
  return Math.floor(Math.random() * Math.floor(max));
}

var arr = [];
for(var i = 0; i < 100000; i++){
  arr.push({valueF:getRandomInt(100), valueM:getRandomInt(100)});
}

Tests:

Lodash
result = _(arr) .filter((value) => value.valueF > 50 ) .map((value) => ({ "value": value.valueM })) .value(); console.log(result);
Vanilla Javascript
const result = arr .filter(value => value.valueF > 50) .map(value => ({ value: value.valueM })); console.log(result);