Run results for: class vs object vs function

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:149.0) Gecko/20100101 Firefox/149.0

Browser: Firefox 149

Operating system: Windows

Device Platform: Desktop

Date tested: 4 months ago

class

801.0M/s

extra: for i

794.1M/s

function

754.3M/s

object

741.4M/s

View exact numbers

Test name	Executions per second
✓ class	800,985,408 Ops/sec
extra: for i	794,089,984 Ops/sec
function	754,322,112 Ops/sec
object	741,438,336 Ops/sec

Script Preparation code:

let i = 0;
function init() {
  i++;
}

const obj = {
  i: 0,
  init: function() {
    this.i++;
  }
};

class sample {
  constructor() {
    this.i = 0;
    this.init();
  }
  init() {
	this.i++;
  }
}
const cls = new sample();

Tests:

class
cls.init();
object
obj.init();
function
init();
extra: for i
for (let i=0; i<1; i++)