Benchmark: lodash merge vs object.assign vs spread vs lodash assign

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Tests:

lodash merge
const a = { a: 'oh', b: 'my' }; const b = { c: 'goddess' }; const c = _.merge(a, b);
object assign
const a = { a: 'oh', b: 'my' }; const b = { c: 'goddess' }; const c = Object.assign(a, b);
spread
const a = { a: 'oh', b: 'my' }; const b = { c: 'goddess' }; const c = { ...a, ...b };
lodash assign
const a = { a: 'oh', b: 'my' }; const b = { c: 'goddess' }; const c = _.assign(a, b);

Rendered benchmark preparation results:

Previous results

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Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.99 Safari/537.36

Browser/OS: Chrome 97 on Mac OS X 10.15.7

lodash merge vs object.assign vs spread vs lodash assign (version: 0)