Common issues and solutions

JavaScript errors:

If your application runs fine in the Simulator but not in the browser, you can check if there are any JavaScript errors.

To view the JavaScript errors, open the browser Developer Tools (Press F12 or Ctrl+Shift+I) and go to the Console tab.

Here is a list of common JavaScript errors that you may encounter:

  • No 'Access-Control-Allow-Origin' header is present on the requested resource
    Solution: either ensure that the client and the server are on the same domain, or add support for CORS on the server to enable cross-domain calls. To do so, follow this tutorial.


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