Observe object destruction
http://stackoverflow.com/questions/10376633/destroying-objects-in-ember-js
HTML
<script src="https://github.com/downloads/emberjs/ember.js/ember-0.9.7.1.min.js"></script>
JavaScript
const obj = { a: "foo", b: "bar" };
const obj2 = obj;
console.log(obj)
let { a, b } = obj;
console.log(a)
a = "kick";
console.log(a);
console.log(obj);