Run results for: Classes memory

Test name	Executions per second
✓ Bind in classes	412,080 Ops/sec
Bind in classes prototype	401,019 Ops/sec
Mixed in classes	355,567 Ops/sec
Arrows in classes	284,371 Ops/sec

Arrows in classes

class A {
    hi = () => {
        return 'Hi' + '!';
    }
    
    bye = () => {
        return 'Bye' + '!';
    }
    
    message = () => {
        return this.hi() + this.bye();
    }
}

const a = new A();
const message = a.message;
message();

Bind in classes

class A {
    constructor() {
        this.message = this.message.bind(this);
    }
    
    hi() {
        return 'Hi' + '!';
    }
    
    bye() {
        return 'Bye' + '!';
    }
    
    message() {
        return this.hi() + this.bye();
    }
}

const a = new A();
const message = a.message;
message();

Bind in classes prototype

class A {
    constructor() {
        this.message = A.prototype.message.bind(this);
    }
    
    hi() {
        return 'Hi' + '!';
    }
    
    bye() {
        return 'Bye' + '!';
    }
    
    message() {
        return this.hi() + this.bye();
    }
}

const a = new A();
const message = a.message;
message();

Mixed in classes

class A {
    hi() {
        return 'Hi' + '!';
    }
    
    bye() {
        return 'Bye' + '!';
    }
    
    message = () => {
        return this.hi() + this.bye();
    }
}

const a = new A();
const message = a.message;
message();