Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.87 Safari/537.36
Chrome 78
Windows
Desktop
5 years ago
Test name Executions per second
Splice 1139469.0 Ops/sec
Slice 578512.6 Ops/sec
Script Preparation code:
AخA
 
var arrayOne = [1, 3, 5, 11, 13];
var index = arrayOne.indexOf(5);
Tests:
  • Splice

     
    arrayOne.splice(index, 1);
  • Slice

     
    [...arrayOne.slice(0, index), ...arrayOne.slice(index+1) ]