The latest articles on DEV Community by Grzesiek Kozdroj (@grzesiekkozdroj). https://dev.to/grzesiekkozdroj https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F189594%2Fd94cc290-de69-4009-bf5f-d09cf581f389.gif https://dev.to/grzesiekkozdroj en Grzesiek Kozdroj Tue, 02 Jul 2019 22:07:47 +0000 https://dev.to/grzesiekkozdroj/undefined-variable-in-react-what-i-don-t-get-4kek https://dev.to/grzesiekkozdroj/undefined-variable-in-react-what-i-don-t-get-4kek <p>It will say that name and are undefined but I don't know why and how to fix it.</p> <p>My code:</p> react form validation