In today's video I'll be showing you how to fix the common CORS policy error which reads: ... from origin 'null' has been blocked by CORS policy: Cross origin requests are only supported etc. The problem is that you are most likely serving your HTML directly from your system, whereas instead you should be using a web server to serve your HTML, CSS, JavaScript or images. A similar video on CORS: https://www.youtube.com/watch?v=0IMz8d9Cby4 Join this channel to get access to perks: null For your reference, check this out: https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS 💜 Join my Discord Server: https://discord.gg/TXMQyvbpcA 🎨 Download my Visual Studio Code theme: https://marketplace.visualstudio.com/items?itemName=dcode.dcode-theme Support me on Patreon: https://www.patreon.com/dcode Follow me on Twitter: @dcodeyt If this video helped you out and you'd like to see more, make sure to leave a like and subscribe to dcode! #dcode #javascript