Toggle navigation
MeasureThat
.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Run results for:
lodash merge vs object.assign vs spread overwriting one property
Go to the benchmark
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=494001" 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/119.0.0.0 Safari/537.36
Browser:
Chrome 119
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
2 years ago
spread
40.9M/s
object.assign
12.6M/s
lodash merge
6.2M/s
View exact numbers
Test name
Executions per second
✓
spread
40,911,312 Ops/sec
object.assign
12,627,836 Ops/sec
lodash merge
6,155,501 Ops/sec
HTML Preparation code:
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
Tests:
lodash merge
var a = { a: 'oh', b: 'my' }; var c = _.merge({a:true}, a);
object.assign
var a = { a: 'oh', b: 'my' }; var c = Object.assign({a:true}, a);
spread
var a = { a: 'oh', b: 'my' }; var c = { a:true, ...a };