Run results for: Array concat vs spread operator vs push with long arrays

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Windows

Device Platform: Desktop

Date tested: 9 months ago

Script Preparation code:

const ARRAY_LEN = 100000;
var array1 = Array(ARRAY_LEN, 'fill');
var array2 = Array(ARRAY_LEN, 'fill');

Tests: