# echarts | The Apache Software Foundation | Knowledge Base | Instagit

Apache ECharts is a powerful, interactive charting and data visualization library for browser

GitHub Stars: 65.8k

Repository: https://github.com/apache/echarts

---

## Articles

### [Where to Find TypeScript Type Definitions for ECharts: A Complete Developer Guide](/apache/echarts/echarts-typescript-type-definitions)

Easily find TypeScript type definitions for ECharts directly within the npm package. Enhance your development with full IntelliSense and compile-time type safety. No extra packages needed.

- Tags: how-to-guide
- Published: 2026-03-04

### [How to Integrate Apache ECharts with React, Vue, and Angular: A Complete Framework Guide](/apache/echarts/integrate-echarts-react-vue-angular-frameworks)

Integrate Apache ECharts with React Vue and Angular using thin wrapper libraries for seamless component lifecycle binding. Follow this complete framework guide and delegate rendering to the core echarts package.

- Tags: tutorial
- Published: 2026-03-04

### [How to Combine Multiple Chart Series Types in a Single ECharts Instance](/apache/echarts/combine-multiple-chart-series-types-single-echarts-instance)

Learn to combine multiple chart series types in ECharts using a single setOption call. Discover how to integrate line, bar, and other chart types for dynamic data visualization.

- Tags: how-to-guide
- Published: 2026-03-04

### [How to Format ECharts Tooltips with Custom HTML Templates](/apache/echarts/format-echarts-tooltips-custom-html-templates)

Learn to format ECharts tooltips using custom HTML templates. Explore string templates, synchronous and asynchronous functions for dynamic data visualization.

- Tags: how-to-guide
- Published: 2026-03-04

### [How to Customize Animations and Transitions in ECharts: A Complete Developer Guide](/apache/echarts/customize-animations-transitions-echarts)

Unlock ECharts animation customization. Learn to control global defaults, series animations, and ZRender utilities for dynamic transitions and shape morphing in this developer guide.

- Tags: how-to-guide
- Published: 2026-03-04

### [How to Implement Real-Time Data Streaming Updates in Apache ECharts](/apache/echarts/implement-real-time-data-streaming-updates-echarts)

Implement real-time data streaming updates in Apache ECharts using appendData and incremental rendering. Achieve smooth, high-frequency chart updates without full re-layouts.

- Tags: how-to-guide
- Published: 2026-03-04

### [How to Load and Display Custom GeoJSON Data for Map Charts in ECharts](/apache/echarts/load-display-custom-geojson-map-charts-echarts)

Learn to load and display custom GeoJSON data for map charts in ECharts. Use echarts.registerMap() and reference it in map series for effective data visualization.

- Tags: how-to-guide
- Published: 2026-03-04

### [How to Configure and Use the VisualMap Component in ECharts: Complete Guide with Examples](/apache/echarts/configure-use-visualmap-component-echarts)

Learn to configure and use the VisualMap component in ECharts. Map data to visual styles for continuous gradients or discrete categories with this complete guide.

- Tags: how-to-guide
- Published: 2026-03-04

### [How to Use the dataZoom Component for Zooming and Panning in ECharts](/apache/echarts/use-datazoom-component-zooming-panning-echarts)

Master ECharts dataZoom for interactive zooming and panning. Learn to use inside and slider controls for intuitive data exploration and chart manipulation.

- Tags: how-to-guide
- Published: 2026-03-04

### [Coordinate Systems in Apache ECharts: Cartesian, Polar, Geo, and More](/apache/echarts/echarts-coordinate-systems-cartesian-polar-geo)

Explore ECharts coordinate systems like Cartesian, Polar, and Geo. Learn how to implement custom systems with registerCoordinateSystem for powerful data visualization.

- Tags: deep-dive
- Published: 2026-03-04

### [How to Implement ARIA Accessibility Attributes for ECharts Charts: A Complete Guide](/apache/echarts/implement-aria-accessibility-attributes-echarts)

Implement ARIA accessibility for ECharts charts easily. Enable the ARIA component to automatically generate screen-reader descriptions and apply essential attributes for improved chart access.

- Tags: how-to-guide
- Published: 2026-03-04

### [How to Export ECharts Charts to Image Formats (PNG, JPEG, SVG)](/apache/echarts/export-echarts-charts-image-formats-png-svg)

Easily export ECharts charts to PNG, JPEG, or SVG formats using the built-in getDataURL method. Learn how to save your visualizations for sharing and further use.

- Tags: how-to-guide
- Published: 2026-03-04

### [How to Update ECharts Data Dynamically Without Re-Rendering the Entire Chart](/apache/echarts/update-echarts-data-dynamically-without-re-rendering)

Dynamically update ECharts data efficiently. Use appendData to add points without re-rendering the entire chart, saving performance and maintaining canvas state.

- Tags: performance
- Published: 2026-03-04

### [How to Handle Events and Implement Custom Interactions in ECharts](/apache/echarts/handle-events-implement-custom-interactions-echarts)

Master ECharts event handling and custom interactions. Learn to use chart.on, registerAction, and dispatchAction for dynamic data visualization and user engagement.

- Tags: how-to-guide
- Published: 2026-03-04

### [How to Make ECharts Charts Responsive to Container Size Changes: A Complete Guide](/apache/echarts/make-echarts-charts-responsive-container-size)

Learn to make ECharts charts responsive. Call chart.resize() on container dimension changes using window resize or ResizeObserver for a seamless user experience.

- Tags: how-to-guide
- Published: 2026-03-04

### [How to Enable Internationalization (i18n) in Apache ECharts for Multi-Language Support](/apache/echarts/enable-internationalization-echarts-multi-language)

Enable ECharts internationalization i18n for multi-language support by registering locale files. Learn how to apply translations easily for global audiences.

- Tags: how-to-guide
- Published: 2026-03-04

### [How to Optimize ECharts Performance for Large Datasets: A Complete Guide to Large-Mode Rendering](/apache/echarts/optimize-echarts-performance-large-datasets)

Boost ECharts performance with large-mode rendering. Learn to optimize for large datasets by setting large: true or adjusting largeThreshold for faster graphics and reduced memory. Improve your ECharts experience today.

- Tags: performance
- Published: 2026-03-04

### [ECharts Data Transformation: How to Use registerExternalTransform for Custom Pipelines](/apache/echarts/echarts-data-transformation-capabilities-and-registerexternaltransform)

Master ECharts data transformation with registerExternalTransform for custom pipelines. Process raw datasets effectively before rendering. Learn how to build unique data processing steps.

- Tags: how-to-guide
- Published: 2026-03-04

### [ECharts Custom Series Rendering: Complete Guide to Building Specialized Visualizations with renderItem](/apache/echarts/how-to-implement-custom-series-rendering-in-echarts-for-specialized-visualizations)

Master ECharts custom series rendering to build unique visualizations. Learn to use renderItem for bespoke graphics leveraging ECharts' coordinate systems and animations.

- Tags: how-to-guide
- Published: 2026-03-04