From ac164431292101115ce028e488e022585e4df284 Mon Sep 17 00:00:00 2001
From: Stefan Liebenberg <siga.fredo@gmail.com>
Date: Thu, 13 Apr 2017 09:53:27 +0200
Subject: [PATCH] adding default prevention

---
 iron-ajax.html | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/iron-ajax.html b/iron-ajax.html
index fa2fcc6..9733799 100644
--- a/iron-ajax.html
+++ b/iron-ajax.html
@@ -498,15 +498,17 @@
       }
 
       // Tests fail if this goes after the normal this.fire('error', ...)
-      this.fire('iron-ajax-error', {
+      var errorEvent = this.fire('iron-ajax-error', {
         request: request,
         error: error
       }, {bubbles: this.bubbles});
 
-      this.fire('error', {
-        request: request,
-        error: error
-      }, {bubbles: this.bubbles});
+      if(!errorEvent.defaultPrevented) {
+        this.fire('error', {
+          request: request,
+          error: error
+        }, {bubbles: this.bubbles});
+      }
     },
 
     _discardRequest: function(request) {