Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.83 Safari/537.36 Edg/85.0.564.41
Chrome 85
Windows
Desktop
4 years ago
Test name Executions per second
.unshift() 0.1 Ops/sec
.push() 85.3 Ops/sec
Script Preparation code:
AخA
 
var arr = []
Tests:
  • .unshift()

     
    for (var i = 0; i < 100000; i++) {
      arr.unshift(42)
    }
  • .push()

     
    for (var i = 0; i < 100000; i++) {
      arr.push(42)
    }