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Run results for:
for vs. object.assign vs spread vs. lodash.clone
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Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=625494" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.3 Safari/605.1.15
Browser:
Safari 26
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
2 months ago
Test name
Executions per second
for
89331232.0 Ops/sec
object.assign
64473020.0 Ops/sec
spread
64580908.0 Ops/sec
lodash clone
21417430.0 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 obj = { "tid": 1 };
Tests:
for
var copy = {}; for (const k in obj) { copy[k] = obj[k]; }
object.assign
var c = Object.assign({}, obj);
spread
var copy = { ...obj };
lodash clone
var c = _.clone(obj);