Use xhr.onreadystatechange for basic ie8 compatibility.

lrowe · Mar 5, 2015 · 9d2b99b · 9d2b99b
1 parent 2f2ed4c
commit 9d2b99b
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/fetch.js b/fetch.js
@@ -278,7 +278,10 @@
         return;
       }
 
-      xhr.onload = function() {
+      xhr.onreadystatechange = xhr.onload = function() {
+        if (xhr.readyState !== 4) {
+          return
+        }
         var status = (xhr.status === 1223) ? 204 : xhr.status
         if (status < 100 || status > 599) {
           reject(new TypeError('Network request failed'))