Uncaught TypeError: Object www.chatangle.com has no method 'endsWith'

View details in Rollbar: [https://rollbar.com/prizz/Chatangle/items/29/](https://rollbar.com/prizz/Chatangle/items/29/)

```

TypeError: Object www.chatangle.com has no method 'endsWith'
  File "https://www.chatangle.com/", line 13, in [anonymous]
```