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Load external script

Tool to let you load external scripts

Detta skript bör inte installeras direkt. Det är ett bibliotek för andra skript att inkludera med meta-direktivet // @require https://update.greatest.deepsurf.us/scripts/33853/222461/Load%20external%20script.js 

  1. // ==UserScript==
  2. // @name         Load external script
  3. // @description  Tool to let you load external scripts
  4. // @version      1
  5. // @author       A Meaty Alt
  6. // @grant        none
  7. // ==/UserScript==
  8.  
  9. function loadScript(scriptURL) {
  10.     'use strict';
  11.     function httpGetAsync(theUrl, callback) {
  12.         var xmlHttp = new XMLHttpRequest();
  13.         xmlHttp.onreadystatechange = function() {
  14.             if (xmlHttp.readyState == 4 && xmlHttp.status == 200)
  15.                 callback(xmlHttp.responseText);
  16.         }
  17.         xmlHttp.open("GET", theUrl, true); // true for asynchronous
  18.         xmlHttp.send(null);
  19.     }
  20.     return new Promise(function(resolve){
  21.         httpGetAsync(scriptURL, function(response){
  22.             var s = document.createElement("script");
  23.             s.text = response;
  24.             document.getElementsByTagName("head")[0].appendChild(s);
  25.             resolve();
  26.         });
  27.     });
  28.  
  29. }