MeasureThat.net

Run results for: JS array for test

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Run details:
Mozilla/5.0 (iPhone; CPU iPhone OS 15_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.5 Mobile/15E148 Safari/604.1
Mobile Safari 15
iOS 15.5
Mobile
2 years ago
Test name Executions per second
use basic for 102308.3 Ops/sec
use basic for (start at last) 102653.6 Ops/sec
use while (start at last) 43610.0 Ops/sec
use forEach 4082.8 Ops/sec
use every 5982.5 Ops/sec
use for...in 193343.4 Ops/sec
use for...of 21995.6 Ops/sec
Tests:

  • use basic for

    AخA
     
    const arr = new Array(10000);
    for (var i = 0; i < arr.length; i++) {
      var a = arr[i]
    }

  • use basic for (start at last)

     
    const arr = new Array(10000);
    for (var i = arr.length; i >= 0; i--) {
      var a = arr[i]
    }

  • use while (start at last)

     
    const arr = new Array(10000);
    var i = arr.length
    while (i--) {
      var a = arr[i]
    }

  • use forEach

     
    const arr = new Array(10000);
    arr.forEach(v => {
      var a = v
    });

  • use every

     
    const arr = new Array(10000);
    arr.every(v => {
      var a = v
      return true
    });

  • use for...in

     
    const arr = new Array(10000);
    for (var v in arr) {
      var a = v
    }

  • use for...of

     
    const arr = new Array(10000);
    for(var v of arr) {
      var a = v
    }