Also remove 'once' event listeners when destroying (they may still be waiting)

src/js/controls.js

@@ -1068,7 +1068,7 @@ const controls = {
             };
 
             // Listen for the transition finishing and restore auto height/width
-            once(container, transitionEndEvent, restore);
+            once.call(this, container, transitionEndEvent, restore);
 
             // Set dimensions to target
             container.style.width = `${size.width}px`;

src/js/listeners.js

@@ -210,7 +210,7 @@ class Listeners {
         toggleListener.call(this.player, document.body, 'click', this.toggleMenu, toggle);
 
         // Detect touch by events
-        once(document.body, 'touchstart', this.firstTouch);
+        once.call(this.player, document.body, 'touchstart', this.firstTouch);
     }
 
     // Container listeners

src/js/plyr.js

@@ -975,7 +975,7 @@ class Plyr {
      * @param {function} callback - Callback for when event occurs
      */
     once(event, callback) {
-        once(this.elements.container, event, callback);
+        once.call(this, this.elements.container, event, callback);
     }
     /**
      * Remove event listeners

src/js/utils/events.js

@@ -27,7 +27,7 @@ const supportsPassiveListeners = (() => {
 })();
 
 // Toggle event listener
-export function toggleListener(element, event, callback, toggle = false, passive = true, capture = false, once = false) {
+export function toggleListener(element, event, callback, toggle = false, passive = true, capture = false) {
     // Bail if no element, event, or callback
     if (!is.element(element) || is.empty(event) || !is.function(callback)) {
         return;
@@ -52,7 +52,7 @@ export function toggleListener(element, event, callback, toggle = false, passive
 
     // If a single node is passed, bind the event listener
     events.forEach(type => {
-        if (this && this.eventListeners && toggle && !once) {
+        if (this && this.eventListeners && toggle) {
             // Cache event listener
             this.eventListeners.push({ element, type, callback, options });
         }
@@ -78,7 +78,7 @@ export function once(element, events = '', callback, passive = true, capture = f
         callback.apply(this, args);
     }
 
-    toggleListener(element, events, onceCallback, true, passive, capture, true);
+    toggleListener.call(this, element, events, onceCallback, true, passive, capture);
 }
 
 // Trigger event