JSFiddle - React, Tailwind, and code Playground

JavaScript

if (!com) var com = {};
if (!com.foobar) com.foobar = {};

com.foobar.Foo = function() {
    this.foo = 'foo'
    this.bar = 'bar'
}

com.foobar.Foo.prototype.baz = function() {
    return true
}

var myFoo = new com.foobar.Foo();
alert(myFoo.foo);
alert(myFoo.bar);
alert(myFoo.baz());