Run results for: ES6 property (get/set) & getter/setter function vs direct access to object attribute (private and not) v2

Run details:

User agent: Mozilla/5.0 (Android 13; Mobile; rv:145.0) Gecko/145.0 Firefox/145.0

Browser: Firefox Mobile 145

Operating system: Android

Device Platform: Mobile

Date tested: 7 months ago

Test name	Executions per second
Public ES6 property (get)	330210592.0 Ops/sec
Public Getter function	328588736.0 Ops/sec
Public ES6 property (set)	420400896.0 Ops/sec
Public Setter function	385235264.0 Ops/sec
Private ES6 property (get)	331943680.0 Ops/sec
Private Getter function	328996416.0 Ops/sec
Private ES6 property (set)	426525568.0 Ops/sec
Private Setter function	430546720.0 Ops/sec
Null Prototype Directly Set	427756480.0 Ops/sec
Null Prototype Directly Get	330110656.0 Ops/sec
Frozen Object Literal (Get)	330315744.0 Ops/sec
Frozen Object Literal (Set)	12879115.0 Ops/sec
Frozen Object Literal Getter Function	255126336.0 Ops/sec
Frozen Object Literal Setter Function;	12328561.0 Ops/sec

Script Preparation code:

var nullProto = Object.create( null );
nullProto.value = 0;

var frozen = Object.freeze( {
    _value: 0,
    get value() {
        return this._value;
    },
    set value(x) {
        this._value = x
    },
    getValue() {
        return this._value
    },
    setValue(x) {
        this._value = x
    }
} );

class Private {
    #value = 0;
    constructor() {
        this.#value = 1
    }
    get value() {
        return this.#value
    }
    set value(x) {
        this.#value = x
    }
    getValue() {
        return this.#value
    }
    setValue(x) {
        this.#value = x
    }
}

class Public {
    value = 0;
    constructor() {
        this.value = 1
    }
    get value() {
        return this.value
    }
    set value(x) {
        this.value = x
    }
    getValue() {
        return this.value
    }
    setValue(x) {
        this.value = x
    }
}

var private = new Private();
var public = new Public();
var val = 0;

Tests:

Public ES6 property (get)
val = public.value;
Public Getter function
val = public.getValue();
Public ES6 property (set)
public.value = 1;
Public Setter function
public.setValue(1);
Private ES6 property (get)
val = private.value;
Private Getter function
val = private.getValue();
Private ES6 property (set)
private.value = 2;
Private Setter function
private.setValue(2);
Null Prototype Directly Set
nullProto.value = 3;
Null Prototype Directly Get
val = nullProto.value;
Frozen Object Literal (Get)
val = frozen.value;
Frozen Object Literal (Set)
frozen.value = 4;
Frozen Object Literal Getter Function
val = frozen.getValue();
Frozen Object Literal Setter Function;
val = frozen.setValue( 4 );

Run results for: ES6 property (get/set) & getter/setter function vs direct access to object attribute (private and not) v2

Public ES6 property (get)

Public Getter function

Public ES6 property (set)

Public Setter function

Private ES6 property (get)

Private Getter function

Private ES6 property (set)

Private Setter function

Null Prototype Directly Set

Null Prototype Directly Get

Frozen Object Literal (Get)

Frozen Object Literal (Set)

Frozen Object Literal Getter Function

Frozen Object Literal Setter Function;