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Cryptic “Script Error.” reported in Javascript in Chrome and Firefox

“Script Error.” is a generic error message that can be caused by a variety of issues. It’s not always clear what the problem is just by looking at this error message, but here are a few things that might cause it:

1. Syntax errors in your JavaScript code, such as missing semicolons or unmatched parentheses.
2. A problem with a library or framework that you’re using, such as an outdated version or a conflict with another library.
3. A problem with the browser itself, such as a bug or a conflict with an extension or add-on.
4. A problem with the web page or website that you’re visiting, such as a missing or misconfigured file.
5. A problem with the network connection, such as a blocked or slow connection.
6. Cross-origin issues, such as trying to access a resource from a different domain without the proper permissions.
7. JavaScript being blocked by browser extensions or settings.

To troubleshoot this error, you can try the following:

1. Check your JavaScript code for syntax errors and fix them.
2. Update or remove any libraries or frameworks that you’re using to see if that fixes the problem.
3. Try running your code in a different browser to see if the problem is specific to one browser.
4. Check the browser’s developer console for any additional error messages or warnings that might provide more information about the problem.
5. Check the network tab in the browser’s developer console to see if there are any issues with loading resources.
6. Check the security settings of your browser or any browser extension you have installed.
7. Check the browser’s JavaScript settings.
8. Try to reproduce the error on a different computer or network to see if the problem is specific to your setup.

It’s possible that the error message is coming from a third party script or library, in that case you should check their documentation and forums for more information.