minor #11883 Bug fix: Update collection.rst (MarvinBlstrli)

javiereguiluz · javiereguiluz · commit 2aa326a939d1 · 2019-07-04T16:46:15.000+02:00
This PR was submitted for the master branch but it was merged into the 3.4 branch instead (closes #11883). Discussion ---------- Bug fix: Update collection.rst There is a typo in javascript that cause a bug in counter. Commits ------- c4f52fc fix javascript typo
diff --git a/reference/forms/types/collection.rst b/reference/forms/types/collection.rst
@@ -147,7 +147,7 @@ you need is this JavaScript code:
         jQuery('.add-another-collection-widget').click(function (e) {
             var list = jQuery(jQuery(this).attr('data-list'));
             // Try to find the counter of the list or use the length of the list
-            var counter = list.data('widget-counter') | list.children().length;
+            var counter = list.data('widget-counter') || list.children().length;
 
             // grab the prototype template
             var newWidget = list.attr('data-prototype');
