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Load external script

Tool to let you load external scripts

Verzia zo dňa 08.10.2017. Pozri najnovšiu verziu.

Tento skript by nemal byť nainštalovaný priamo. Je to knižnica pre ďalšie skripty, ktorú by mali používať cez meta príkaz // @require https://update.greasyfork.org/scripts/33853/222461/Load%20external%20script.js 

// ==UserScript==
// @name         Load external script
// @description  Tool to let you load external scripts
// @version      1
// @author       A Meaty Alt
// @grant        none
// ==/UserScript==

function loadScript(scriptURL) {
    'use strict';
    function httpGetAsync(theUrl, callback) {
        var xmlHttp = new XMLHttpRequest();
        xmlHttp.onreadystatechange = function() {
            if (xmlHttp.readyState == 4 && xmlHttp.status == 200)
                callback(xmlHttp.responseText);
        }
        xmlHttp.open("GET", theUrl, true); // true for asynchronous
        xmlHttp.send(null);
    }
    return new Promise(function(resolve){
        httpGetAsync(scriptURL, function(response){
            var s = document.createElement("script");
            s.text = response;
            document.getElementsByTagName("head")[0].appendChild(s);
            resolve();
        });
    });

}