Run results for: ES6 property get & getter function & direct access to object attribute

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:128.0) Gecko/20100101 Goanna/6.8 PaleMoon/34.0.1

Browser: Pale Moon (Firefox Variant) 34

Operating system: Linux

Device Platform: Desktop

Date tested: 2 months ago

Test name	Executions per second
ES6 property (get)	7718237.5 Ops/sec
Getter function	7855465.5 Ops/sec
Directly get	7820911.5 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 cls = new Class()
var wtf

Tests:

ES6 property (get)
wtf = cls.value
Getter function
wtf = cls.getValue()
Directly get
wtf = cls._val

Run results for: ES6 property get & getter function & direct access to object attribute

ES6 property (get)

Getter function

Directly get