Fix getJSON Callback Not Working

If your getJSON callback function is not executing, there are several possible solutions:

1. Check if the URL is correct: Make sure that the URL you pass to the getJSON function is accurate and can return valid JSON data.
2. Check your internet connection: make sure your network connection is working properly and able to access the requested URL.
3. Check if the callback function is correct: Make sure that the callback function you pass to the getJSON function is correct and has no syntax errors.
4. Check for cross-origin issues: If your request is cross-origin, it may result in the callback function not executing. You can try setting up cross-origin policies on the server side or use JSONP to handle cross-origin requests.
5. Use error handling: pass an error handling function as the second argument to the getJSON function to catch any potential errors that may occur.

If the above methods do not solve the issue, you can try using other methods to retrieve JSON data, such as using the fetch API or XMLHttpRequest.