JSFiddle - React, Tailwind, and code Playground

JavaScript

var tcom = tcom || {};

(function(NAMESPACE) {
  
  NAMESPACE = {
    isIE: function() {
    	return true;
    }
  };
  
  main();
  
})(tcom);

function main() {
	console.log(tcom.isIE());
  return 'Hello, World!';
}