!DOCTYPE
!DOCTYPE is defined as: prefix to prevent quirks mode, add for legacy & prevent incompatible rendering method. Topics on: quirks mode. Read more: HTML, Metadata
!DOCTYPE is defined as: prefix to prevent quirks mode, add for legacy & prevent incompatible rendering method. Topics on: quirks mode. Read more: HTML, Metadata
quirks mode is defined as: mode for browser to handle non-standard html. Topics on: . Read more: HTML, Metadata Content, DOCTYPE, Quirks Mode | Full-Stack Wiki