XMLHttpRequest - standard

XMLHttpRequest

Living Standard

https://xhr.spec.whatwg.org/

https://triple-underscore.github.io/XHR-ja.html 日本語

W3C

https://www.w3.org/TR/XMLHttpRequest1/ (旧)

古いらしい

fetch APIに移行?

https://developer.mozilla.org/ja/docs/Web/API/XMLHttpRequest

https://developer.mozilla.org/ja/docs/Web/API/XMLHttpRequest_API/HTML_in_XMLHttpRequest