Run results for: Concat() vs. Unshift()

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:108.0) Gecko/20100101 Firefox/108.0

Browser: Firefox 108

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Concat()	1465.4 Ops/sec
Unshift()	399843.2 Ops/sec

Script Preparation code:

var arr = ['', '', ''];

Tests: