Run results for: Array concat vs spread operator vs push with more data

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:98.0) Gecko/20100101 Firefox/98.0

Browser: Firefox 98

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 2 years ago

Script Preparation code:

var array1 = [...Array(1000).keys()]
var array2 = array1.map(i => i * 10)

Tests: