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Run results for:
_.merge vs _.assign vs _.reduce vs JS reduce vs Js assign
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=512901" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36
Browser:
Chrome 122
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
2 years ago
Test name
Executions per second
Lodash merge
8989.4 Ops/sec
Lodash assign
10086.4 Ops/sec
Js reduce
20.7 Ops/sec
Js assign
33492.1 Ops/sec
_.reduce
5850542.0 Ops/sec
HTML Preparation code:
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
Script Preparation code:
var array = Array(1000).fill().map((_, index) => ({ [(Math.random() + 1).toString(36).substring(2)]: index }))
Tests:
Lodash merge
_.merge({}, ...array)
Lodash assign
_.assign({}, ...array)
Js reduce
array.reduce((acc, item) => ({...acc, ...item}), {})
Js assign
Object.assign({}, ...array)
_.reduce
_.reduce((acc, item) => ({...acc, ...item}), {})