Web Back-end
Khắc phục lỗi [ Refused to frame because an ancestor violates the following Content Security Policy directive: "frame-ancestors 'self'" ] - Expressjs

Khắc phục lỗi [ Refused to frame because an ancestor violates the following Content Security Policy directive: "frame-ancestors 'self'" ] - Expressjs

Refused to frame because an ancestor violates the following Content Security Policy directive: "frame-ancestors 'self'"  là lỗi xảy…