Run results for: Object Method Test

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36

Browser: Chrome 142

Operating system: Windows

Device Platform: Desktop

Date tested: 5 months ago

Test name	Executions per second
Object(prototype=Object):TypeA	26.6 Ops/sec
Object(prototype=Object):TypeB	38.6 Ops/sec
Object(prototype=Object):TypeC	19.5 Ops/sec
Object(prototype=null):TypeA	18.9 Ops/sec
Object(prototype=null):TypeB	20.8 Ops/sec
Object(prototype=null):TypeC	3.2 Ops/sec
Class	38.7 Ops/sec

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

function toStringTypeA() {
  return '{ a : ' + this.a + ', b : ' + this.b + ', c : ' + this.c + ' }';
}

function toStringTypeB(a,b,c) {
  return '{ a : ' + a + ' ,b : ' + b + ' ,c: ' + c + ' }';
}

function toStringTypeC({a,b,c})
{
  return '{ a : ' + a + ' ,b : ' + b + ' ,c: ' + c + ' }';
}

let o1 = new Object();
o1,a = 1;
o1,b = 2;
o1.c = 3;
let o2 = Object.create(null);
o2.a = 1;
o2.b = 2;
o2.c = 3;

class Test
{
  constructor(a,b,c)
  {
    this.a = a;
    this.b = b;
    this.c = c;
  }
}

Test.prototype.toString = toStringTypeA;

let t = new Test(1,2,3);

const N = 1000000;

Tests:

Object(prototype=Object):TypeA
for(i=0; i<N; i++) var _ = toStringTypeA.call(o1);
Object(prototype=Object):TypeB
for(i=0; i<N; i++) var _ = toStringTypeB(o1.a,o1.b,o1.c);
Object(prototype=Object):TypeC
for(i=0; i<N; i++) var _ = toStringTypeB({...o1});
Object(prototype=null):TypeA
for(i=0; i<N; i++) var _ = toStringTypeA.call(o2);
Object(prototype=null):TypeB
for(i=0; i<N; i++) var _ = toStringTypeB(o2.a,o2.b,o2.c);
Object(prototype=null):TypeC
for(i=0; i<N; i++) var _ = toStringTypeB({...o2});
Class
for(i=0; i<N; i++) t.toString()

Run results for: Object Method Test

Object(prototype=Object):TypeA

Object(prototype=Object):TypeB

Object(prototype=Object):TypeC

Object(prototype=null):TypeA

Object(prototype=null):TypeB

Object(prototype=null):TypeC

Class