Script Preparation code:
AخA
 
var array = Array(10000).fill(0)
var itemsToRemove = 5000 
Tests:
  • array.slice()

     
    array = array.slice(itemsToRemove)
  • array.splice()

     
    array.splice(0, itemsToRemove)
  • array.shift()

     
    for (let i = 0 ; i < itemsToRemove ; i++) array.shift()
Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Experimental features:

  • Test case name Result
    array.slice()
    array.splice()
    array.shift()

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: 19 days ago)
Mozilla/5.0 (X11; CrOS x86_64 14695.114.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.0.0 Safari/537.36
Chrome 102 on Chrome OS 14695.114.0
View result in a separate tab
Test name Executions per second
array.slice() 712342.2 Ops/sec
array.splice() 6672609.5 Ops/sec
array.shift() 17557.0 Ops/sec