Run results for: class set get (getters, function, direct)

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.36

Browser: Chrome 110

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
getter	168041.8 Ops/sec
Getter function	949010.8 Ops/sec
Directly get	1125035.1 Ops/sec

Script Preparation code:

class Class {
    constructor () {
        this._val = 1
    }
    get value() { return this._val }
    set value(x) { this._val = x }
    getValue() { return this._val }
    setValue(x) { this.val = x }
}
var i = 0;
var cls = new Class()
var wtf

Tests:

getter
cls.value = i++; wtf = cls.value;
Getter function
cls.setValue(i++); wtf = cls.getValue();
Directly get
cls._val = i++; wtf = cls._val;

Run results for: class set get (getters, function, direct)

getter

Getter function

Directly get