JSFiddle - React, Tailwind, and code Playground

JavaScript

var obj = {
    key1: "it",
    key2: function(){return obj.key1 + " works!";}
};

var obj2 = {
    key1: "it",
    key2: function(){return this.key1 + " works!"}
};

var newobj = obj;
var newobj2 = obj2;
obj = { key1: "new" };

alert(newobj.key2());
alert(newobj2.key2());