Run results for: ES5 setter vs func

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.69 Safari/537.36

Browser: Chrome 95

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
setter	11082120.0 Ops/sec
func	11052200.0 Ops/sec

Script Preparation code:

var SomeThing = (function () {
    function SomeThing() {
        this._value = 1;
    }
    Object.defineProperty(SomeThing.prototype, "value", {
        get: function () { return this._value; },
        set: function (v) { this._value = v; },
        enumerable: false,
        configurable: true
    });
    SomeThing.prototype.setValue = function (v) {
        this._value = v;
    };
    return SomeThing;
}()),
st = new SomeThing();

Tests:

setter
st.value = 2;
func
st.setValue(2);

Run results for: ES5 setter vs func

desc

setter

func