Benchmark: Concat vs spread operators

Script Preparation code:


var arr = ['1', '2', '3'];
var arr2 = ['1', '2', '3'];

Tests:

Rendered benchmark preparation results:

Previous results

Test case name	Result
Concat
Spread operator

ⓘ Get performance results from real users on your website with Request Metrics.

Latest run results:

Run details: (Test run date: 4 years ago)

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 12_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.1.1 Mobile/15E148 Safari/604.1

Browser/OS: Mobile Safari 12 on iOS 12.3

Test name	Executions per second
Concat	527587.6 Ops/sec
Spread operator	577755.0 Ops/sec

Concat vs spread operators (version: 0)