docs: add error handling code to EventSource example

1 files changed, 4 insertions, 0 deletions

diff --git a/share/doc/src/changes.rst b/share/doc/src/changes.rst
index fbfb0c3a8..f806559b2 100644
--- a/share/doc/src/changes.rst
+++ b/share/doc/src/changes.rst
@@ -199,6 +199,10 @@ specification`_ for further details.
     if (window.EventSource) {
 
       var source = new EventSource("/somedatabase/_changes?feed=eventsource");
+      source.onerror = function(e) {
+        alert('EventSource failed.');
+      };
+      
       var results = [];
       var sourceListener = function(e) {
         var data = JSON.parse(e.data);