Run results for: spread vs concat vs unshift 2

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:132.0) Gecko/20100101 Firefox/132.0

Browser: Firefox 132

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

arrayUnshift123

740K/s

arrayConcat123

34/s

arraySpread123

9/s

View exact numbers

Script Preparation code:

var array = (new Array(10000)).fill(null).map((el, index) => index);

Tests: