JSFiddle - React, Tailwind, and code Playground

JavaScript

var noteval = this.eval; 
noteval("alert('not eval. at all');");

(function() {
    console.log(this);
    noteval("alert('chavs!');");
}).bind(window)();


(function() {
    console.log(this);
    noteval("alert('crappy parents');");
}).bind(window.parent)();