Access-Control-Request-Headers
请求头 Access-Control-Request-Headers 出现于 preflight request （预检请求）中，用于通知服务器在真正的请求中会采用哪些请求头。
| 报头类型 | Request header |
|---|---|
| Forbidden header name | yes |
语法
Access-Control-Request-Headers: <header-name>, <header-name>, ...
指令
- <header-name>
- 在实际请求中将要包含的一系列 HTTP 头，以逗号分隔。
示例
Access-Control-Request-Headers: X-PINGOTHER, Content-Type
规范
| 规范 | 状态 | 注释 |
|---|---|---|
| Fetch Access-Control-Request-Headers |
Living Standard | Initial definition. |
浏览器兼容性
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