Context "this" in EMAC2015

context-this.js

//exec with node.js
this.me = 'context file:';
var names = ["José", "Alfredo", "Ernesto"];

var person = {
	me: 'context person:',
	greet: function () {
		names.forEach(function (name) {
			console.log(this.me, 'saying hello to', name); // this print: undefined saying hello to ${name}
		});
	}
};
person.greet(); // the context of this is an anonimous function this==function

var person = {
	me: 'context person:',
	greet: function () {

		names.forEach((name) => { // arrow function passes the parent context (person) to the anonymous function
			
			console.log(this.me, 'saying hello to', name); // this print: context person: saying hello to ${name}
			
		});
		
	}
};
person.greet(); // the context of this is the person class this==person.js

var person = {
	me: 'context person:',
	greet: () => { // arrow function passes the parent context to the person context

		names.forEach((name) => { // arrow function passes the parent context to the function (from the parent)
			
			console.log(this.me, 'saying hello to', name); // this print: context file: saying hello to ${name}
			
		});
		
	}
};
person.greet(); // the context of this is the file this==context-this.js