Restore tip in SignalR tutorial (#9614)

Restore a tip that was inadvertently removed.
2018-11-16 10:18:21 -06:00 · 2018-11-16 10:18:21 -06:00 · 61040c22bd
parent f598f928e2
commit 61040c22bd
2 changed files with 4 additions and 0 deletions
--- a/aspnetcore/tutorials/signalr.md
+++ b/aspnetcore/tutorials/signalr.md
@ -241,6 +241,10 @@ The SignalR server must be configured to pass SignalR requests to SignalR.

  ![SignalR sample app](signalr/_static/signalr-get-started-finished.png)

+> [!TIP]
+> If the app doesn't work, open your browser developer tools (F12) and go to the console. You might see errors related to your HTML and JavaScript code. For example, suppose you put *signalr.js* in a different folder than directed. In that case the reference to that file won't work and you'll see a 404 error in the console.
+> ![signalr.js not found error](signalr/_static/f12-console.png)
+
 ## Next steps

 In this tutorial, you learned how to:
--- a/aspnetcore/tutorials/signalr/_static/f12-console.png
+++ b/aspnetcore/tutorials/signalr/_static/f12-console.png