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Run results for:
lodash merge vs deepmerge vs lodash/fp merge
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=615202" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0.0.0 Safari/537.36
Browser:
Chrome 139
Operating system:
Windows
Device Platform:
Desktop
Date tested:
9 months ago
Test name
Executions per second
lodash merge
409411.2 Ops/sec
object.assign
2831096.5 Ops/sec
lodash/fp merge
327087.7 Ops/sec
HTML Preparation code:
<script src='https://cdn.jsdelivr.net/g/lodash@4(lodash.min.js+lodash.fp.min.js)'></script> <script src='https://unpkg.com/deepmerge@3.2.0/dist/umd.js'></script>
Script Preparation code:
var fp = _.noConflict();
Tests:
lodash merge
var a = { a: 'oh', b: 'my', c: { a: 'a', b: { c: 'c' } } }; var b = { c: { b: { d: 'a' }, c: { d: 'd' } } }; var c = _.merge({}, a, b);
object.assign
var a = { a: 'oh', b: 'my', c: { a: 'a', b: { c: 'c' } } }; var b = { c: { b: { d: 'a' }, c: { d: 'd' } } }; var c = deepmerge({}, a, b);
lodash/fp merge
var a = { a: 'oh', b: 'my', c: { a: 'a', b: { c: 'c' } } }; var b = { c: { b: { d: 'a' }, c: { d: 'd' } } }; var c = fp.merge(b, a);