ES6 Greeter vs ES5 Greeter

greeter.js

class Greeter {
	name; 
	
	constructor(name) {
		this.name = name;
	}
	
	greet() {
		return `Hello, ${this.name}`;
	}
}

class BobGreeter extends Greeter {
	constructor() {
		super('Bob');
	}
}

var bobGreeter = new BobGreeter();
console.log(bobGreeter.greet());
// Hello, Bob

// vs

function FGreeter(name) {
	this.name = name;
}

FGreeter.prototype.greet = function() {
	return 'Hello, ' + this.name;
}

function FBobGreeter() {
	FGreeter.call(this, 'Bob');
}

FBobGreeter.prototype = FGreeter.prototype;
FBobGreeter.prototype.constructor = FBobGreeter;

var fBobGreeter = new FBobGreeter();
console.log(fBobGreeter.greet());
// Hello, Bob