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Run results for:
lodash immutable merge vs object.assign vs spread vs mix
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<iframe src="https://measurethat.net/Embed?id=494692" 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/120.0.0.0 Safari/537.36
Browser:
Chrome 120
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
Test name
Executions per second
lodash immutable merge
4119379.2 Ops/sec
immutable object.assign
10227963.0 Ops/sec
spread
46030960.0 Ops/sec
mix
3959896.8 Ops/sec
HTML Preparation code:
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.15/lodash.min.js'></script>
Tests:
lodash immutable merge
var a = { a: 'oh', b: 'my' }; var b = { c: 'goddess' }; var c = _.merge({}, a, b);
immutable object.assign
var a = { a: 'oh', b: 'my' }; var b = { c: 'goddess' }; var c = Object.assign({}, a, b);
spread
var a = { a: 'oh', b: 'my' }; var b = { c: 'goddess' }; var c = { ...a, ...b };
mix
var a = { a: 'oh', b: 'my' }; var b = { c: 'goddess' }; var c = _.merge(Object.assign({}, a), b);