Cross-Origin Resource Sharing (CORS) - HTTP | MDN

HTTP Guides Resources and URIs Identifying resources on the Web Data URLs Introduction to MIME types Common MIME types Choosing between www and non-www URLs HTTP guide Basics of HTTP Overview of HTTP Evolution of HTTP HTTP Messages A typical HTTP session Connection management in HTTP/1.x Protocol upgrade mechanism HTTP security Content Security Policy (CSP) HTTP Strict Transport Security (HSTS) X-

[TAKEmaru]

[http][SPA]

[udzura]

制約とか。OPTIONSにレスポンスすればもう少し色々出来るのか、カスタムヘッダとか