Sample External Fetches

Here we will demonstrate some of the basics of Cross-Origin Resource Sharing (CORS). See MDN CORS.

I've two different sites that you can directly access data from.

• https://cs651.grotto-networking.com/Tours which supplies tour information from an imaginary tour company that permits CORS of its tour info.

• https://windsurf.grotto-networking.com/data/logs/windEvents2019.json Resource data used by the React web app that nicely show the data. This site does not permit CORS.

Open up the developer tool console to see more information.