Run results for: Lodash merge vs native spread and assign

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36

Browser: Chrome 137

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

Native

71.8M/s

Lodash merge

3.0M/s

View exact numbers

Test name	Executions per second
✓ Native	71,811,960 Ops/sec
Lodash merge	2,998,573 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.21/lodash.min.js"></script>

Tests:

Lodash merge
var a = { a: 'oh', b: 'my' }; var b = { c: 'goddess' }; var c = _.merge(a, {b});
Native
var a = { a: 'oh', b: 'my' }; var b = { c: 'goddess' }; var c = {...a, b};