How To Fix: "null has been blocked by CORS policy" Error in JavaScript AJAX

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.seevid.ir/fa/w/0IMz8d9Cby4 Join this channel to get access to perks: 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

• #education
• #cors
• #cross_origin_resource_sharing
• #cors_policy
• #ajax_cors_header
• #javascript_ajax
• #javascript_fetch_api
• #access_control_allow_origin_header
• #access_control_allow_origin
• #http_origin_url
• #how_to_fix_cors_error
• #how_to_fix_cors_policy
• #javascript_cors
• #http_protocol
• #cross_origin_requests
• #cross_origin
• #cross_origin_http
• #same_origin_policy
• #cors_headers