JSFiddle - React, Tailwind, and code Playground

by jfriend00

HTML

<script src="http://files.the-friend-family.com/log.js"></script>

JavaScript

var fname = "__googleMapsInitialized_" + 
    (new Date().getTime()) + "_" + 
    (Math.random() + "").replace(".", "");
log(fname);
window[fname] = function() {
    log("global function called");
    delete window[fname];    
};

// call it
window[fname]();

typeof window[fname] !== "undefined" ? log("global function still exists") : log("global function has been removed");