Run results for: lodash reduce vs lodash transform vs Array.reduce 100k

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36

Browser: Chrome 132

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Lodash reduce

869/s

Lodash transform

776/s

Native

717/s

View exact numbers

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

var max2 = 100000;

var data = [];
for (var i = 0; i <= max2; i++) { data.push({ id: i }); }

Tests:

Lodash reduce
_.reduce(data, (acc, item) => { acc[item.id] = item; return acc; }, {})
Native
data.reduce((acc, item) => { acc[item.id] = item; return acc; }, {})
Lodash transform
_.transform(data, (acc, item) => { acc[item.id] = item; }, {})