JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://amatiasq.com/fiddle-console.js"></script>

JavaScript

var alice = {
    nombre: "Alice",
    cansarse: function() {
        console.log(this.nombre);
    }
};

var myFunction = alice.cansarse;
console.log('aqui');
myFunction.call(alice);