Merge branch 'MDL-59867-master' of git://github.com/damyon/moodle

lib/amd/src/form-autocomplete.js

@@ -37,6 +37,8 @@ define(['jquery', 'core/log', 'core/str', 'core/templates', 'core/notification']
         UP: 38
     };
 
+    var uniqueId = $.now();
+
     /**
      * Make an item in the selection list "active".
      *
@@ -786,11 +788,15 @@ define(['jquery', 'core/log', 'core/str', 'core/templates', 'core/notification']
             // Find or generate some ids.
             var state = {
                 selectId: originalSelect.attr('id'),
-                inputId: 'form_autocomplete_input-' + $.now(),
-                suggestionsId: 'form_autocomplete_suggestions-' + $.now(),
-                selectionId: 'form_autocomplete_selection-' + $.now(),
-                downArrowId: 'form_autocomplete_downarrow-' + $.now()
+                inputId: 'form_autocomplete_input-' + uniqueId,
+                suggestionsId: 'form_autocomplete_suggestions-' + uniqueId,
+                selectionId: 'form_autocomplete_selection-' + uniqueId,
+                downArrowId: 'form_autocomplete_downarrow-' + uniqueId
             };
+
+            // Increment the unique counter so we don't get duplicates ever.
+            uniqueId++;
+
             options.multiple = originalSelect.attr('multiple');
 
             if (typeof closeSuggestionsOnSelect !== "undefined") {