PRO comments memo notes v1.4
Cell Comments
Classic Excel comments / memos (メモ) — one per cell, shown with a red corner marker and a hover bubble. Select a cell to add, edit, or remove its comment. xlsx read, JSON round-trip.
Source Code
TypeScript
Related Demos
Cell Types Dashboard
Progress bars, star ratings, sparkline charts, checkboxes, and hyperlinks — all rendered inside spreadsheet cells.
Data Filter & Sort
Click column header dropdowns to filter and sort rows. Switch between 300, 1K, and 10K rows to test performance.
Cell Styles
Font styles, colors, backgrounds, text alignment, and border options — a showcase of the Cell Style API.