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Updated Fetch Function

Explore how to update the fetch function in a Python web application to support customizable HTTP methods, error handling with callbacks, and Google Analytics tracking. Understand how to encode query parameters properly for efficient URL management in frontend development.

About the application

In this application, we’ll look at our updated fetch function that uses the method keyword to determine the type of HTTPS request. It also has an onError keyword that gets triggered in case of any error in fetching data. It has an additional Google Analytics call that will record the URL requested by the client. Lastly, the buildParams() function gets properly delineated and encoded as a query string. ...