Run results for: for-in vs object.keys vs object.values for objects perf 5

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.713 YaBrowser/23.9.5.713 (corp) Yowser/2.5 Safari/537.36

Browser: Yandex Browser 23

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
for-in	31.1 Ops/sec
Object.keys	34.3 Ops/sec
Object.values	34.2 Ops/sec

Script Preparation code:

var obj =[...new Array(10000)].reduce((o,_,i)=>{
  	o[i+'-id']={id:i};
	return o;
},{});

AخA
 
var obj =[...new Array(10000)].reduce((o,_,i)=>{    o[i+'-id']={id:i};    return o;},{});

Tests:

for-in

for (var key in obj) {
      console.log(obj[key].id); 
  }

 
for (var key in obj) {      console.log(obj[key].id);   }

Object.keys
Object.keys(obj).forEach(key => console.log(obj[key].id));
Object.keys(obj).forEach(key => console.log(obj[key].id));
Object.values
Object.values(obj).forEach(n => console.log(n.id));
Object.values(obj).forEach(n => console.log(n.id));

Run results for: for-in vs object.keys vs object.values for objects perf 5

for-in

Object.keys

Object.values