try/catch Firefox dispatchEvent bug when events are fired on disabled…

… non-attached form controls Fixes: #132
kazupon · Jan 13, 2016 · e2bd08f · e2bd08f
1 parent f3de605
commit e2bd08f
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/util.js b/src/util.js
@@ -104,5 +104,9 @@ export function attr (el, name) {
 export function trigger (el, event) {
   let e = document.createEvent('HTMLEvents')
   e.initEvent(event, true, false)
-  el.dispatchEvent(e)
+  // Due to Firefox bug, events fired on disabled
+  // non-attached form controls can throw errors
+  try {
+    el.dispatchEvent(e)
+  } catch(e) {}
 }