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/135.0.0.0 Safari/537.36 Edg/135.0.0.0

Browser: Chrome 135

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

Classes

92.0M/s

Prototype

57.4M/s

View exact numbers

Test name	Executions per second
✓ Classes	91,971,736 Ops/sec
Prototype	57,402,316 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');