Script Preparation code:
AخA
 
var obj = new Object()
var keys = (new Array(100000)).fill(0).map((x, i) => { return i + 1 })
keys.forEach((x) => { obj['prop' + x] = x })
Tests:
  • Object.values for of

     
    let result;
    for(let value of Object.values(obj)){
        result = value;
    }
  • Object.keys forEach

     
    let result;
    Object.keys(obj).forEach(key => result = obj[key]);
  • Object.entries forEach

     
    let result;
    Object.entries(obj).forEach(([key, value]) => result = value);
  • Object.values forEach

     
    let result
    Object.values(obj).forEach(value => result = value);
  • For in

     
    let result;
    for (var key in obj) {
      result = obj[key];
    }
Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Experimental features:

  • Test case name Result
    Object.values for of
    Object.keys forEach
    Object.entries forEach
    Object.values forEach
    For in

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: one year ago)
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36
Chrome 121 on Mac OS X 10.15.7
View result in a separate tab
Test name Executions per second
Object.values for of 58.8 Ops/sec
Object.keys forEach 67.4 Ops/sec
Object.entries forEach 45.1 Ops/sec
Object.values forEach 57.3 Ops/sec
For in 70.4 Ops/sec