Run results for: Class method / instance method / bind this – closer to reality test

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.121 Safari/537.36

Browser: Chrome 85

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Call class method	6454328.0 Ops/sec
Call instance method	6433242.0 Ops/sec
Call bound method	6114444.0 Ops/sec

Script Preparation code:

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

Tests:

Call class method
AReady.a();
Call instance method
BReady.b();
Call bound method
CReady.c();

Run results for: Class method / instance method / bind this – closer to reality test

Call class method

Call instance method

Call bound method