← Your Browser Is Rejecting Every Drop On PurposeQuiz
Drag and Drop — the dragover trap
Seven questions on why native HTML drag-and-drop refuses to work until you cancel the right default, and the landmines that show up right after you fix it.
questions7
pass mark70%
resultsat the end
No account needed. Answer all 7 questions, then see your score with every answer explained and a reference to the spec or MDN — pass and you can claim a certificate.