Add regression test for #14244.

js/tests/unit/popover.js

@@ -217,4 +217,42 @@ $(function () {
     $div.find('a.second').click()
     equal($('.popover').length, 0, 'second popover removed')
   })
+
+  test('should detach popover content rather than removing it so that event handlers are left intact', function () {
+    var $content = $('<div class="content-with-handler"><a class="btn btn-warning">Button with event handler</a></div>').appendTo('#qunit-fixture')
+
+    var handlerCalled = false;
+    $('.content-with-handler .btn').click(function () {
+      handlerCalled = true
+    });
+
+    var $div = $('<div><a href="#">Show popover</a></div>')
+      .appendTo('#qunit-fixture')
+      .bootstrapPopover({
+        html: true,
+        trigger: 'manual',
+        container: 'body',
+        content: function () {
+          return $content;
+        }
+      })
+
+    stop()
+    $div
+      .one('shown.bs.popover', function () {
+        $div
+          .one('hidden.bs.popover', function () {
+            $div
+              .one('shown.bs.popover', function () {
+                $('.content-with-handler .btn').click()
+                $div.bootstrapPopover('destroy')
+                ok(handlerCalled, 'content\'s event handler still present')
+                start()
+              })
+              .bootstrapPopover('show')
+          })
+          .bootstrapPopover('hide')
+      })
+      .bootstrapPopover('show')
+  })
 })