Run results for: Lodash's Sum vs Reduce vs For-Loop

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

javascript for loop

25K/s

lodash sum

3K/s

javascript reduce

3K/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:

window.tabs = Array.from({
    length: 1e7
}, () => Math.floor(Math.random() * 40));

Tests:

lodash sum
const total = _.sum(window.tabs);
javascript reduce
const total = window.tabs.reduce((a,b) => a+b);
javascript for loop
let total = 0; for (const tab of window.tabs) { total += tab; }