• Comparison of JS-made UI and browser native ones
• Numeric input and validation
• Input twice (folding validity of multiple controls)
• Address completion (view-defined event handler)
• Sortable.js, with nested list
• Catalog replacement

230 LOC Total, 40 LOC Schema, 15 LOC Initial data, 15 LOC updates, 120 LOC render(), 15 LOC catalog