diff --git a/js/src/carousel.js b/js/src/carousel.js
index 4519d566cf..e33788594d 100644
--- a/js/src/carousel.js
+++ b/js/src/carousel.js
@@ -22,7 +22,6 @@ const VERSION                = '4.3.1'
 const DATA_KEY               = 'bs.carousel'
 const EVENT_KEY              = `.${DATA_KEY}`
 const DATA_API_KEY           = '.data-api'
-const JQUERY_NO_CONFLICT     = $.fn[NAME]
 const ARROW_LEFT_KEYCODE     = 37 // KeyboardEvent.which value for left arrow key
 const ARROW_RIGHT_KEYCODE    = 39 // KeyboardEvent.which value for right arrow key
 const TOUCHEVENT_COMPAT_WAIT = 500 // Time for mouse compat events to fire after touch
@@ -527,6 +526,7 @@ class Carousel {
 
     if (!data) {
       data = new Carousel(element, _config)
+      Data.setData(element, DATA_KEY, data)
     }
 
     if (typeof config === 'number') {
@@ -602,13 +602,18 @@ EventHandler.on(window, Event.LOAD_DATA_API, () => {
  * ------------------------------------------------------------------------
  * jQuery
  * ------------------------------------------------------------------------
+ * add .carousel to jQuery only if jQuery is present
  */
 
-$.fn[NAME] = Carousel._jQueryInterface
-$.fn[NAME].Constructor = Carousel
-$.fn[NAME].noConflict = () => {
-  $.fn[NAME] = JQUERY_NO_CONFLICT
-  return Carousel._jQueryInterface
+if (typeof window.$ !== 'undefined' || typeof window.jQuery !== 'undefined') {
+  const $                  = window.$ || window.jQuery
+  const JQUERY_NO_CONFLICT = $.fn[NAME]
+  $.fn[NAME]               = Carousel._jQueryInterface
+  $.fn[NAME].Constructor   = Carousel
+  $.fn[NAME].noConflict    = () => {
+    $.fn[NAME] = JQUERY_NO_CONFLICT
+    return Carousel._jQueryInterface
+  }
 }
 
 export default Carousel
diff --git a/js/src/collapse.js b/js/src/collapse.js
index 9da673cc9f..31200c33a8 100644
--- a/js/src/collapse.js
+++ b/js/src/collapse.js
@@ -142,7 +142,11 @@ class Collapse {
     }
 
     if (actives) {
-      activesData = Data.getData(actives[0], DATA_KEY)
+      const tempActiveData = actives.filter((elem) => {
+        const container = SelectorEngine.findOne(this._selector)
+        return !container.contains(elem)
+      })
+      activesData = tempActiveData[0] ? Data.getData(tempActiveData[0], DATA_KEY) : null
       if (activesData && activesData._isTransitioning) {
         return
       }
@@ -154,7 +158,12 @@ class Collapse {
     }
 
     if (actives) {
-      actives.forEach((elemActive) => Collapse._collapseInterface(elemActive, 'hide'))
+      actives.forEach((elemActive) => {
+        const container = SelectorEngine.findOne(this._selector)
+        if (!container.contains(elemActive)) {
+          Collapse._collapseInterface(elemActive, 'hide')
+        }
+      })
       if (!activesData) {
         Data.setData(actives[0], DATA_KEY, null)
       }
diff --git a/js/tests/unit/collapse.js b/js/tests/unit/collapse.js
index 3df60200b9..8dccf5c18e 100644
--- a/js/tests/unit/collapse.js
+++ b/js/tests/unit/collapse.js
@@ -570,17 +570,19 @@ $(function () {
     var $triggerTwo = $('#linkTriggerTwo')
     var $collapseOne = $('#collapseOne')
     var $collapseTwo = $('#collapseTwo')
+
     $collapseOne.on('shown.bs.collapse', function () {
       assert.ok($collapseOne.hasClass('show'), '#collapseOne is shown')
       assert.ok(!$collapseTwo.hasClass('show'), '#collapseTwo is not shown')
+
       $collapseTwo.on('shown.bs.collapse', function () {
         assert.ok(!$collapseOne.hasClass('show'), '#collapseOne is not shown')
         assert.ok($collapseTwo.hasClass('show'), '#collapseTwo is shown')
         done()
       })
-      $triggerTwo.trigger($.Event('click'))
+      EventHandler.trigger($triggerTwo[0], 'click')
     })
-    $trigger.trigger($.Event('click'))
+    EventHandler.trigger($trigger[0], 'click')
   })
 
   QUnit.test('should allow accordion to target multiple elements', function (assert) {
@@ -612,7 +614,7 @@ $(function () {
       assert.ok($collapseOneTwo.hasClass('show'), '#collapseOneTwo is shown')
       assert.ok(!$collapseTwoOne.hasClass('show'), '#collapseTwoOne is not shown')
       assert.ok(!$collapseTwoTwo.hasClass('show'), '#collapseTwoTwo is not shown')
-      $triggerTwo.trigger($.Event('click'))
+      EventHandler.trigger($triggerTwo[0], 'click')
     }
 
     function secondTest() {
@@ -655,7 +657,7 @@ $(function () {
       }
     })
 
-    $trigger.trigger($.Event('click'))
+    EventHandler.trigger($trigger[0], 'click')
   })
 
   QUnit.test('should collapse accordion children but not nested accordion children', function (assert) {
diff --git a/js/tests/unit/dropdown.js b/js/tests/unit/dropdown.js
index a39d272ef3..2595ec27b2 100644
--- a/js/tests/unit/dropdown.js
+++ b/js/tests/unit/dropdown.js
@@ -88,7 +88,7 @@ $(function () {
         assert.ok(!$dropdown.parent('.dropdown').hasClass('position-static'), '"position-static" class not added')
         done()
       })
-    $dropdown.trigger('click')
+    EventHandler.trigger($dropdown[0], 'click')
   })
 
   QUnit.test('should add class position-static to dropdown if boundary not scrollParent', function (assert) {
@@ -110,7 +110,7 @@ $(function () {
         assert.ok($dropdown.parent('.dropdown').hasClass('position-static'), '"position-static" class added')
         done()
       })
-    $dropdown.trigger('click')
+    EventHandler.trigger($dropdown[0], 'click')
   })
 
   QUnit.test('should set aria-expanded="true" on target when dropdown menu is shown', function (assert) {
@@ -834,7 +834,7 @@ $(function () {
   })
 
   QUnit.test('should ignore space key events for <input>s within dropdown, and accept up, down and escape', function (assert) {
-    assert.expect(6)
+    assert.expect(7)
     var done = assert.async()
 
     var dropdownHTML =
@@ -907,7 +907,7 @@ $(function () {
   })
 
   QUnit.test('should ignore space key events for <textarea>s within dropdown, and accept up, down and escape', function (assert) {
-    assert.expect(6)
+    assert.expect(7)
     var done = assert.async()
 
     var dropdownHTML =
@@ -1006,7 +1006,7 @@ $(function () {
         done()
       })
 
-    $dropdown.trigger('click')
+    EventHandler.trigger($dropdown[0], 'click')
   })
 
   QUnit.test('should call Popper.js and detect navbar on update', function (assert) {