Set default value for bubbles and cancelable

Make sure bubbles and cancellable have a boolean value
kumarharsh · Oct 31, 2018 · 4268c0b · 4268c0b
1 parent d706af0
commit 4268c0b
Showing 1 changed file with 3 additions and 5 deletions.
diff --git a/polyfill.js b/polyfill.js
@@ -20,11 +20,9 @@
   } catch (e) {
     var CustomEvent = function(event, params) {
       var evt, origPrevent;
-      params = params || {
-        bubbles: false,
-        cancelable: false,
-        detail: undefined
-      };
+      params = params || {};
+      params.bubbles = !!params.bubbles;
+      params.cancelable = !!params.cancelable;
 
       evt = document.createEvent('CustomEvent');
       evt.initCustomEvent(