Access-Control-Request-Headers - HTTP 编辑

The Access-Control-Request-Headers request header is used by browsers when issuing a preflight request, to let the server know which HTTP headers the client might send when the actual request is made (such as with setRequestHeader()). This browser side header will be answered by the complementary server side header of Access-Control-Allow-Headers.

Syntax

Access-Control-Request-Headers: <header-name>, <header-name>, ...

Directives

<header-name>

A comma-delimited list of HTTP headers that are included in the request.

Examples

Access-Control-Request-Headers: X-PINGOTHER, Content-Type

Specifications

Browser compatibility

BCD tables only load in the browser

See also

• Access-Control-Request-Method