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Run results for:
lodash merge vs object.assign vs spread new obj
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=598279" 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/134.0.0.0 Safari/537.36
Browser:
Chrome 134
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
object.assign
18.1M/s
spread
17.3M/s
lodash merge
2.3M/s
View exact numbers
Test name
Executions per second
✓
object.assign
18,051,858 Ops/sec
spread
17,273,996 Ops/sec
lodash merge
2,297,570 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 a = { a: 'oh', b: 'my' }; var b = { c: 'goddess', d: 'a', e: 'b', j: { asd: 'test' } };
Tests:
lodash merge
var c = _.merge({}, a, b);
object.assign
var c = Object.assign({}, a, b);
spread
var c = { ...a, ...b };