Script Errors Tutorial: Examples, Causes, Fixes & More
Summary
This makes it impossible to find the location of the bug in code, which defeats the purpose of using error tracking tools. Browsers enforce the same-origin policy, which means that scripts have full access rights only if they are loaded from the same origin as the website itself. And in Internet Explorer 11+ scripts loaded from different origins will never have any additional data provided, regardless of the CORS headers and the crossorigin attribute mentioned above. Real user monitoring tools can help you detect script errors by logging them to a remote server. If you have already detected such errors with your RUM tools and you are wondering why the stack trace or message is missing, you should follow the instructions above to adjust the script tag or the server from where the files are served.
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