From 5a90b4aa3e102e387839a39fbf0ab1444eebbc76 Mon Sep 17 00:00:00 2001
From: Johann-S <johann.servoire@gmail.com>
Date: Fri, 25 Aug 2017 10:14:18 +0200
Subject: Collapse - preventDefault only on <a> elements not inside the
 collapsible element

---
 js/src/collapse.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'js/src')

diff --git a/js/src/collapse.js b/js/src/collapse.js
index 718630bd3..7d1ba4c54 100644
--- a/js/src/collapse.js
+++ b/js/src/collapse.js
@@ -361,7 +361,8 @@ const Collapse = (($) => {
    */
 
   $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
-    if (!/input|textarea/i.test(event.target.tagName)) {
+    // preventDefault only for <a> elements (which change the URL) not inside the collapsible element
+    if (event.target.tagName === 'A' && !$.contains(this, event.target)) {
       event.preventDefault()
     }
 
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