handsontable/handsontable
Handsontable
Handsontable is a JavaScript data grid that provides a spreadsheet-like interface for managing and editing large datasets within web applications. It functions as a virtualized data table that renders only visible cells to maintain performance, paired with a synchronization layer that binds the grid to underlying data structures.
The project distinguishes itself through a built-in spreadsheet calculation engine for evaluating mathematical and logical expressions and a dedicated tool for exporting grid content into Excel XLSX files. It ensures interoperability with external spreadsheet software via clipboard copy-paste operations and supports the creation of custom cell editors and validation logic.
The grid covers a broad range of data management capabilities, including column pinning, nested header management, and row pagination. It also provides data organization tools such as filtering, sorting, and a command-based system for undo and redo functionality.
Visual customization is handled through a theme management system and conditional cell formatting, with additional support for internationalized number and date formatting and right-to-left layouts.
Features
- Data Grids - Provides a high-performance, interactive JavaScript data grid with a spreadsheet-like interface.
- Spreadsheet Interfaces - Provides a comprehensive spreadsheet-like interface for managing and editing large datasets within web applications.
- Interactive Data Grids - Creates interactive grids that allow users to sort, filter, and organize complex datasets within a browser.
- High-Performance Visualizers - Displays and scrolls through thousands of rows and columns using virtualization to maintain high browser performance.
- Client-Side Data Analysis - Provides a built-in calculation engine for evaluating mathematical and logical expressions directly within the grid.
- Spreadsheet Formula Engines - Includes a built-in spreadsheet calculation engine for evaluating mathematical and logical expressions.
- Data Binding - Synchronizes the visual grid with underlying data structures formatted as arrays of objects or arrays.
- State-Synchronized Bindings - Synchronizes the visual grid state with underlying data structures via a dedicated data binding layer.
- Virtualisation Engines - Optimizes performance by rendering only visible cells to maintain speed when displaying thousands of rows.
- DOM Virtualization - Utilizes DOM virtualization to render only visible cells, maintaining high performance with massive datasets.
- Virtualized Data Grids - Renders only visible cells using virtualization to maintain speed when displaying massive datasets.
- JavaScript Data Grids - Implements a high-performance JavaScript data grid for managing and editing large datasets in the browser.
- XLSX Export - Saves grid content into compatible Excel XLSX files for external use.
- Header Groupings - Creates complex column groupings that span multiple header rows for organized data presentation.
- Data Validation - Enforces specific input rules and uses custom cell editors to ensure data integrity during manual entry.
- Data Sorting Engines - Organizes information by rearranging rows or hiding data based on defined filtering and sorting criteria.
- Excel Automation - Provides a dedicated tool to export grid content directly into Excel XLSX files.
- Pagination - Splits large datasets into multiple pages to improve processing performance and readability.
- Remote Data Fetching - Loads large datasets from a remote server on demand to avoid client-side memory exhaustion.
- Undo-Redo Management - Provides a command-based system for managing an editing timeline to support undo and redo actions.
- Server-Side Data Fetching - Fetches rows on demand from a remote source to prevent browser memory exhaustion.
- Column Pinning - Locks specific columns in place during horizontal scrolling to keep identifiers visible.
- Custom Cell Editors - Enables the definition of specialized input components and validation logic to control data entry.
- Input Validation Rules - Restricts user input through built-in editors and declarative validation rules.
- Conditional Formatting - Changes the visual appearance of cells based on their value to highlight specific patterns or thresholds.
- Keyboard Navigation - Provides standard spreadsheet keyboard shortcuts for efficient data navigation and entry.
- Custom Cell Editors - Supports the creation of custom pluggable cell editors and validation logic for specific data types.
- Update Batching - Implements update batching to minimize DOM reflows and improve rendering performance.
- Viewport Element Freezing - Allows freezing or hiding of specific rows and columns to maintain header visibility during navigation.
- Clipboard Operations - Enables copying and pasting data between the grid and external spreadsheet software.
- Spreadsheet Libraries - Spreadsheet library for web applications.
- Data Grids - Spreadsheet-like data grid with support for React and TypeScript.
- JavaScript 框架汇总 - Listed in the “JavaScript 项目” section of the Great Open Source Project awesome list.
- PDF - Listed in the “文档/表格/PDF” section of the Awesome Frontend awesome list.
- Time and Data Tools - Spreadsheet library for developers.
