Why Am I Getting a 'Cross origin requests are only supported for HTTP' Error Despite Same-Origin Hosting?

Cross-Origin Requests Error Despite Same-Origin Hosting

When attempting to make an AJAX request using the provided code, you may encounter the error "Cross origin requests are only supported for HTTP" despite the fact that the target file, "signup.php," is hosted on the same web server. This error typically arises when making requests across different domains, but in this case, it is not a cross-domain issue.

Solution:

To resolve this issue, you can enable file access from local files by starting Google Chrome with a specific switch.

On macOS:

open -a 'Google Chrome' --args --allow-file-access-from-files

On Linux:

google-chrome --allow-file-access-from-files

On Windows:

Edit the properties of the Chrome shortcut and add the switch to the end of the "target" path:

C:\ ... \Application\chrome.exe --allow-file-access-from-files

By enabling file access, you grant Chrome permission to access local files, including those hosted on the same server as your website. This resolves the error and allows your AJAX request to load the requested file.

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