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arXiv
Papers
Institutions
Authors
Guidelines
Questions
Handbook
Innovation
Events
Handbook
/
E
Interface Elements and Controls
/
E2
Input Controls
E2.15
File Upload
Cards in this group · 3
E2.15.1
Offer both click-to-choose and drop
E2.15.2
State type and size limits before the file is chosen
E2.15.3
Progress and failure must be visible and retryable