Run results for: class vs object vs function

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:147.0) Gecko/20100101 Firefox/147.0

Browser: Firefox 147

Operating system: Linux

Device Platform: Desktop

Date tested: 5 months ago

function

515.6M/s

extra: for i

473.9M/s

class

404.4M/s

object

255.6M/s

View exact numbers

Test name	Executions per second
✓ function	515,567,392 Ops/sec
extra: for i	473,858,848 Ops/sec
class	404,436,096 Ops/sec
object	255,610,704 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++)