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Run results for: Plus equals is slow 333

Why the hell 333

Go to the benchmark
Run details:
Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36
Chrome 53
Windows
Other
8 years ago
Test name Executions per second
var Plus equals 905220.1 Ops/sec
var Plus 739461.4 Ops/sec
let plus equals 224788.6 Ops/sec
let plus 657887.1 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;
    }