← JSON.stringify Is Quietly Deleting Your File UploadsQuiz
FormData vs JSON.stringify — the file-eating trap
Eight questions on why JSON.stringify quietly turns a File into {}, why FormData never had that problem, and how to send a form with a file the way the platform already supports.
questions8
pass mark70%
resultsat the end
No account needed. Answer all 8 questions, then see your score with every answer explained and a reference to the spec or MDN — pass and you can claim a certificate.