Run details:
Mozilla/5.0 (Linux; Android 6.0.1; E6553 Build/32.2.A.0.253) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.98 Mobile Safari/537.36
Chrome Mobile 52
Android 6.0.1
E6553
8 years ago
Test name Executions per second
var Plus equals 465433.1 Ops/sec
var Plus 375831.5 Ops/sec
let plus equals 171015.7 Ops/sec
let plus 376920.4 Ops/sec
Tests:
  • var Plus equals

    AخA
     
    var x = 0;
    for (var i=0; i < 1000; i++)
    {
      x += 2 + i;
    }
  • var Plus

     
    var x = 0;
    for (var i=0; i < 1000; i++)
    {
      x = x + 2 + i;
    }
  • let plus equals

     
    let x = 0;
    for (var i=0; i < 1000; i++)
    {
      x += 2 + i;
    }
  • let plus

     
    let x = 0;
    for (var i=0; i < 1000; i++)
    {
      x = x + 2 + i;
    }