Handling CORS Restrictions in JavaScript Applications
Problem:
Developers working with Vue.js applications may encounter a "Redirect has been blocked by CORS policy" error when making AJAX requests to external URLs. The error message indicates that the requested resource lacks an 'Access-Control-Allow-Origin' header, preventing the request from completing.
Solution:
While one option is to request that the server responsible for the external endpoint be reconfigured to include the appropriate header, there are alternative solutions for local development environments.
Chrome Extension Option:
- Install the "Allow CORS: Access-Control-Allow-Origin" extension for Chrome.
- Configure the extension to allow requests from your local development domain to the external server's URL.
- This solution allows you to simulate requests originating from the external domain, resolving the CORS issue.
Additional Considerations:
- The "Moesif Origin & CORS Changer" extension mentioned in the original answer is no longer available for free usage.
- If the plugin link provided for the "Allow CORS: Access-Control-Allow-Origin" extension breaks in future, search the Chrome plugin marketplace for alternative extensions with similar functionality.
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