CustomEvent polyfill (Fixes #172)

1 files changed, 7 insertions, 4 deletions

diff --git a/src/js/plyr.js b/src/js/plyr.js
index 57544997..24c6d76d 100644
--- a/src/js/plyr.js
+++ b/src/js/plyr.js
@@ -1,5 +1,6 @@
 // ==========================================================================
 // Plyr
+// plyr.js v1.5.15
 // https://github.com/selz/plyr
 // License: The MIT License (MIT)
 // ==========================================================================
@@ -2832,16 +2833,18 @@
 // Custom event polyfill
 // https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent/CustomEvent
 (function () {
+    if (typeof window.CustomEvent === 'function') {
+        return false;
+    }
+
     function CustomEvent (event, params) {
         params = params || { bubbles: false, cancelable: false, detail: undefined };
         var evt = document.createEvent('CustomEvent');
-        evt.initCustomEvent( event, params.bubbles, params.cancelable, params.detail );
+        evt.initCustomEvent(event, params.bubbles, params.cancelable, params.detail);
         return evt;
     }
 
     CustomEvent.prototype = window.Event.prototype;
 
-    if(!('CustomEvent' in window)) {
-        window.CustomEvent = CustomEvent;
-    }
+    window.CustomEvent = CustomEvent;
 })();