Script Preparation code:
AخA
 
var arr1 = ["a", "b", "c", "d"];
Tests:
  • SPREAD

     
    var result = [...["x", "y", "z"], ...arr1];
  • UNSHIFT

     
    var result = arr1.unshift("x", "y", "z");
Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Experimental features:

  • Test case name Result
    SPREAD
    UNSHIFT

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: 2 years ago)
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/106.0.0.0 Safari/537.36
Chrome 106 on Windows
View result in a separate tab
Test name Executions per second
SPREAD 8856003.0 Ops/sec
UNSHIFT 7903.5 Ops/sec