Run results for: Class vs Prototype Performance

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/151.0.0.0 Safari/537.36 Edg/151.0.0.0

Browser: Chrome 151

Operating system: Windows

Device Platform: Desktop

Date tested: one month ago

Benchmark engine: Benchmark.js

Classes

383.0M/s

Prototype

323.3M/s

View exact numbers

Test name	Executions per second
✓ Classes	382,953,280 Ops/sec
Prototype	323,290,976 Ops/sec

Script Preparation code:

function PersonFunction(s) {
  this.e = 'hello '+s;
}

PersonFunction.prototype.say = function(){
	console.log(this.e)
}

class PersonClass{
	constructor(s){
    	this.e = 'hello '+s;
    }

	say(){
		console.log(this.e)
	}
}

Tests:

Classes
var person1 = new PersonFunction('world');
Prototype
var person2 = new PersonClass('world');