Run results for: getListOfPropertyValues Comparation

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.128 Safari/537.36

Browser: Chrome 89

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
For	186128.5 Ops/sec
Map, Filter	134026.1 Ops/sec

Script Preparation code:

var arr = [];
for (var i = 0; i < 1000; i++) {
    arr[i] = {
        id: i
    };
}

Tests:

For
const getListOfPropertyValues = (objectsArray, propertyName) => { let mappedList = []; for (const object of objectsArray || []) { if (propertyName in object) mappedList.push(object[propertyName]); } return mappedList; }; getListOfPropertyValues(arr, 'id');
Map, Filter
const getListOfPropertyValues = (array = [], prop) => array.map(item => item[prop]).filter(item => item); getListOfPropertyValues(arr, 'id');