1 files changed, 14 insertions, 0 deletions
diff --git a/src/polyfill.js b/src/polyfill.js
new file mode 100644
index 0000000..3a3c25c
--- /dev/null
+++ b/src/polyfill.js
@@ -0,0 +1,14 @@
+// Add CustomEvent to IE9 and IE10 
+if (typeof CustomEvent !== 'function') {
+  // Code from: https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent
+  function CustomEvent (event, options) {
+    options = options || { bubbles: false, cancelable: false, detail: undefined }
+    var e = document.createEvent('CustomEvent')
+    e.initCustomEvent(event, options.bubbles, options.cancelable, options.detail)
+    return e
+  }
+
+  CustomEvent.prototype = window.Event.prototype
+
+  window.CustomEvent = CustomEvent
+}
+\ No newline at end of file