Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36
Chrome 105
Windows
Desktop
2 years ago
Test name Executions per second
append 1214861.4 Ops/sec
splice 1132768.2 Ops/sec
reverse 250953.3 Ops/sec
concat 997245.8 Ops/sec
unshift 1197078.1 Ops/sec
Script Preparation code:
AخA
 
l = 123;
Tests:
  • append

     
    a = Array(l);
    a.push(3);
  • splice

     
    a = Array(l);
    a.splice(0,0,3);
  • reverse

     
    a = Array(l);
    a.reverse().push(3);
    a.reverse();
  • concat

     
    a = Array(l);
    a = [3].concat(a);
  • unshift

     
    a = Array(l);
    a.unshift(3);