From 49ce1f47c31a27142f2485a93af05bf665dde7cb Mon Sep 17 00:00:00 2001
From: Peter Hedenskog <phedenskog@wikimedia.org>
Date: Wed, 11 Nov 2020 11:49:15 +0100
Subject: [PATCH] Fix as in
 https://github.com/sitespeedio/coach-core/issues/21#issuecomment-717041439

---
 lib/dom/performance/jquery.js | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/lib/dom/performance/jquery.js b/lib/dom/performance/jquery.js
index 261724b..a495533 100644
--- a/lib/dom/performance/jquery.js
+++ b/lib/dom/performance/jquery.js
@@ -1,11 +1,13 @@
 (function() {
   'use strict';
 
-  var versions = [];
+  const versions = [];
   // check that we got a jQuery
   if (typeof window.jQuery === 'function') {
+    // https://github.com/sitespeedio/coach-core/issues/21#issuecomment-717041439
+    let keepRef = window.$;
     versions.push(window.jQuery.fn.jquery);
-    var old = window.jQuery;
+    let old = window.jQuery;
     while (old.fn && old.fn.jquery) {
       old = window.jQuery.noConflict(true);
       if (!window.jQuery || !window.jQuery.fn) {
@@ -16,6 +18,7 @@
       }
       versions.push(window.jQuery.fn.jquery);
     }
+    window.$ = keepRef;
   }
 
   // TODO also add check for jQuery version. If we have a really old version (1 year old?) then show it!