Run results for: Class method / instance method / bind this

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 14_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.0.1 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 14

Operating system: iOS 14.2

Device Platform: Mobile

Date tested: 4 years ago

Test name	Executions per second
Call class method	11840531.0 Ops/sec
Call instance method	5423193.0 Ops/sec
Call bound method	6942277.5 Ops/sec

Script Preparation code:

window.A = class {
    a() {}
}

window.B = class {
    b = () => {};
}

window.C = class {
    constructor() {
        this.c = this.c.bind(this);
    }

    c() {}
}

Tests:

Call class method
(new A()).a();
Call instance method
(new B()).b();
Call bound method
(new C()).c();

Run results for: Class method / instance method / bind this

Call class method

Call instance method

Call bound method