JSFiddle - React, Tailwind, and code Playground

JavaScript

(function() {

    var foo = function() {
    	var service = {
            fooo: fooo,
            bar: bar
        };
    
    	return service;
	
        function fooo () {
            alert("foo");
        }        
      
        function bar () {
            alert("bar");
        } 
    };

    return (window.foo = foo);
})();

foo.fooo();

foo.bar();