- What is CORS? - What is Cross Origin? - Are subdomain, host, port, protocol fall under Cross-Origin mechanism? - How does Cross Origin Request Sharing works behind the scenes? - What is CORS preflight? - What is the OPTIONS call? - What are the additional HTTP Headers required? - Does server always make Preflight options call in CORS protocol? - What browser versions support CORS? - Access Control Allow Origin Error? - How to solve CORS Error? - How to resolve CORS issue in Google Chrome? MDN Link - If this video was helpful, give it a thumbs up and subscribe to my channel for more such videos. 🔔 Link to Subscribe: If you want me to cover any specific topic, then comment down below. I would be happy to help you. If you find my videos helpful, then please support this channel by buying a coffee, Cheers, Akshay Saini Would love to Stay Connected with you ❤️ LinkedIn - Instagram - Twitter - Facebook - #Javascript #JavascriptInterviewQuestions #AkshaySaini