Replace custom httpGet() with $.ajax()" (#1371)

Signed-off-by: Paul Mannarino <paul.mannarino@gmail.com>

scripts/pi-hole/js/debug.js

@@ -5,31 +5,6 @@
  *  This file is copyright under the latest version of the EUPL.
  *  Please see LICENSE file for your rights under this license. */
 
-/* global ActiveXObject: false */
-
-// Credit: http://stackoverflow.com/a/10642418/2087442
-function httpGet(ta, theUrl) {
-  var xmlhttp;
-  if (window.XMLHttpRequest) {
-    // code for IE7+
-    xmlhttp = new XMLHttpRequest();
-  } else {
-    // code for IE6, IE5
-    xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
-  }
-
-  xmlhttp.onreadystatechange = function () {
-    if (xmlhttp.readyState === 4 && xmlhttp.status === 200) {
-      ta.show();
-      ta.empty();
-      ta.append(xmlhttp.responseText);
-    }
-  };
-
-  xmlhttp.open("GET", theUrl, false);
-  xmlhttp.send();
-}
-
 function eventsource() {
   var ta = $("#output");
   var upload = $("#upload");
@@ -42,7 +17,15 @@ function eventsource() {
 
   // IE does not support EventSource - load whole content at once
   if (typeof EventSource !== "function") {
-    httpGet(ta, "scripts/pi-hole/php/debug.php?IE&token=" + token + "&" + checked);
+    $.ajax({
+      method: "GET",
+      url: "scripts/pi-hole/php/debug.php?IE&token=" + token + "&" + checked,
+      async: false
+    }).done(function (data) {
+      ta.show();
+      ta.empty();
+      ta.append(data);
+    });
     return;
   }