From 874972fddde2de797cfaf7612fd1719cd66df883 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?tangentguo=28=E9=83=AD=E8=BF=85=29?=
 <tangentguo@tencent.com>
Date: Fri, 18 May 2018 17:57:24 +0800
Subject: [PATCH] when script on error callback should be call firsttime

---
 index.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/index.js b/index.js
index 1ee62b3..9a1fef3 100644
--- a/index.js
+++ b/index.js
@@ -91,6 +91,10 @@ function jsonp(url, opts, fn){
   // create script
   script = document.createElement('script');
   script.src = url;
+  script.addEventListener('error',function(e) {
+    cleanup();
+    if (fn) fn(e);
+  },false)
   target.parentNode.insertBefore(script, target);
 
   return cancel;