Features

Everything the grid does, and the page that documents it. If you know what you want to build, start here; if you want to look an option or a method up by name, start at Reference.

Data

Feature	Option / API	Guide
Async data source	`fetchMeta` + `fetchData`	Data Source
Single-callback data source	`fetchPage`	Data Source
In-memory array	`data`	Data Source
Swapping the source at runtime	`setDataSource()`	Data Source
Chunked loading, prefetch and cache	`chunkSize`, `prefetchChunks`, `maxCachedChunks`	Architecture
Continuous scroll or classic pages	`pagination`, `pageSize`	Pagination
Page-size selector	`pageSizeOptions`	Pagination

Columns

Feature	Option / API	Guide
Add, delete, hide	`addColumn()`, `deleteColumn()`, `hideColumn()`	Columns
Resize and reorder by drag	(built in)	Interaction
Column chooser dialog	header context menu	Context Menus
Multi-level header groups	`columnDefs[].group`	Columns
Many column changes as one step	`batchStructural()`	Columns
Keep a group whole while dragging	`lockHeaderGroups`	Columns
Frozen left and right	`frozenCols`, `frozenColsRight`	Columns
Size to container	`responsive`	Columns
Fill the leftover width	`stretchColumns`	Columns
Spreadsheet letter headers	`columnLetterHeader`	Columns

Rows

Feature	Option / API	Guide
Add, delete, undelete	`addRow()`, `deleteRow()`, `undeleteRow()`	Rows
Hide and show	`hideRow()`, `showAllRows()`	Rows
Per-row height, auto-fit columns	`setRowHeight()`, `autoFitColumns()`	Rows
Wrapped cell text, auto row height	`wrapCells`, `autoRowHeight`	Rows
Drag reorder	`rowReorder`	Rows
Move a row from code	`moveRow()`	Rows
Drag rows between grids	`rowDragGroup`, `onRowDropIn`	Rows
Pinned top and bottom rows	`pinnedTopRows`, `pinnedBottomRows`, `pinRow()`	Rows
Space under a row for your own panel	`reserveRowSpace()`, `getRowRect()`	Rows
Summary (grand total) row	`summaryRow`, `getSummaryValues()`	Rows

Selection, clipboard and editing

Feature	Option / API	Guide
Cell and range selection	`getSelection()`, `setSelection()`	Selection
Row selection and header checkbox	`rowSelection`, `getSelectedRows()`	Selection
Copy, cut, paste as TSV	`Ctrl+C` / `Ctrl+X` / `Ctrl+V`	Interaction
Fill handle	drag the selection corner	Interaction
Inline editing	`editableCols`, `onCellChange`	Editing
Editor behaviour per column	`columnDefs[].editorOptions`	Editing
Validation	`columnDefs[].validation`, `isValid()`	Editing
Number-only editing	`editor: 'number'`	Editing
Undo and redo	`undo()`, `redo()`	Methods

Cells

Feature	Option / API	Guide
Checkbox, radio, dropdown, multiselect	`columnDefs[].type`	Cell Types
Date columns	`type: 'date'`, `datePattern`	Cell Types
Button columns and per-cell buttons	`type: 'button'`, `cellButton`	Cell Types
Built-in renderers	`CellRenderers`	Renderers
Rounding and negatives on an amount	`CellRenderers.number({ rounding, negative })`	Renderers
Rich text and image cells	`type: 'richtext'`, `type: 'image'`	Renderers
Custom renderer and editor	`columnDefs[].renderer`, `columnDefs[].editor`	Renderers

Filtering and sorting

Feature	Option / API	Guide
Set filter and quick filter	`setFilterValues()`, `setQuickFilter()`	Filtering & Sorting
Tag filter for high-cardinality columns	`fetchFilterValues`	Filtering & Sorting
Field-based filter and sort	`setFilter()`, `setSort()`	Filtering & Sorting
Multi-column sort	`addSort()`, `setSorts()`, `Shift`+click	Filtering & Sorting

Presentation

Feature	Option / API	Guide
Theme object and CSS custom properties	`theme`, `--jhg-*`	Themes
Changing the theme at runtime	`setTheme()`, `getTheme()`	Themes
Conditional row and cell styling	`rowHighlighter`, `cellBackground`	Themes
Cell decorators and tooltips	`cellDecorator`, `cellTooltip`	Themes
Row, column and cell context menus	`rowContextMenuItems` and friends	Context Menus

State, saving and output

Feature	Option / API	Guide
Snapshot and restore layout	`getState()`, `setState()`	State & Saving
Rows addressed by key	`getRowIndexByKey()`, `setCellValueByKey()`	State & Saving
Typed edits at the save boundary	`getEdits({ typed: true })`, `columnDefs[].parse`	State & Saving
Read unsaved edits	`getEdits()`	Methods
A row’s edits, before and after	`getRowChanges()`	Rows
Undo one row’s edits	`revertRow()`	State & Saving
Save row by row	`acknowledgeSave()`, `isNewRow()`	State & Saving
Save in one batch, keyed by row	`rowKey`, `getChanges()`	State & Saving
CSV export and print preview	`exportCsv()`, `printGrid()`	Export & Print

Platform

Feature	Option / API	Guide
Korean, Japanese, Chinese locales	`locale`	Localization
Every string translatable	`i18n`	Localization
Keyboard navigation and remappable shortcuts	`keyMap`	Interaction
ARIA structure, live region, reduced motion, high contrast	`ariaLabel`	Interaction
Screen-reader table navigation	`ariaRowMirror`	Interaction
Runtime event subscription	`on()`, `off()`, `listenerCount()`	Callbacks
Third-party extensions	`JHGrid.use()`	Options
Supported browsers	-	Browser Support
Million-row budgets and tuning	`chunkSize`, `maxCachedChunks`, `fullScanPageSize`	Performance