Script Preparation code:
AخA
 
var arr = [], last = 0
Tests:
  • .unshift()

     
    arr.unshift(42); last = arr[0]
  • .push()

     
    arr.push(42); last = arr[arr.length - 1]
Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Experimental features:

  • Test case name Result
    .unshift()
    .push()

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: 5 years ago)
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.87 Safari/537.36
Chrome 80 on Windows
View result in a separate tab
Test name Executions per second
.unshift() 25940.2 Ops/sec
.push() 412210.2 Ops/sec