Run results for: unshift vs concat vs spread of another array

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: 2 years ago

unshift an array

8K/s

concat an array

367/s

spread on array

33/s

View exact numbers

Script Preparation code:

var array = [2,3,4];
var x = [-1,0,1];

Tests: