Benchmark: Array.prototype.concat vs spread operator

HTML Preparation code:

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

Tests:

lodash merge
var _ = require('lodash'); var a = { a: 'oh', b: 'my' }; var b = { c: 'goddess' }; var c = _merge(a, b);
spread operator
var a = { a: 'oh', b: 'my' }; var b = { c: 'goddess' }; var c = { a, ...b };

Rendered benchmark preparation results:

Previous results

Test case name	Result
lodash merge
spread operator

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Latest run results:

Run details: (Test run date: 5 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.162 Safari/537.36

Browser/OS: Chrome 65 on Mac OS X 10.12.6

Test name	Executions per second
lodash merge	0.0 Ops/sec
spread operator	5981593.0 Ops/sec

Array.prototype.concat vs spread operator (version: 0)