JSFiddle - React, Tailwind, and code Playground

HTML

<p id="one">hi</p>

JavaScript

(function(common, undefined) {
    "use strict";

    common.FunctionOne = function(){
        //do something
      $("#one").html("Hi you");
    };

}(window.common = window.common || {}));

(function(processing, undefined) {
    "use strict";

    processing.FunctionTwo = function(){
         common.FunctionOne();
    };

}(window.processing = window.processing || {}));
window.processing.FunctionTwo();