Run details:
Mozilla/5.0 (X11; Linux x86_64; rv:92.0) Gecko/20100101 Firefox/92.0
Firefox 92
Linux
Desktop
3 years ago
Test name Executions per second
.unshift() 0.4 Ops/sec
.push() 23.6 Ops/sec
Script Preparation code:
AخA
 
var arr = []
Tests:
  • .unshift()

     
    for (var i = 0; i < 1000000; i++) {
      arr.unshift(42)
    }
  • .push()

     
    for (var i = 0; i < 1000000; i++) {
      arr.push(42)
    }