42 lines
2.5 KiB
Markdown
42 lines
2.5 KiB
Markdown
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# chartjs-plugin-annotation.js
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[](https://github.com/chartjs/chartjs-plugin-annotation/actions/workflows/ci.yml)
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[](https://coveralls.io/github/chartjs/chartjs-plugin-annotation?branch=master)
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[](https://github.com/chartjs/chartjs-plugin-annotation/releases)
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[](https://www.npmjs.com/package/chartjs-plugin-annotation/v/latest)
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[](https://www.chartjs.org/chartjs-plugin-annotation/index)
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<a href="https://github.com/chartjs/awesome"><img src="https://awesome.re/badge-flat2.svg" alt="Awesome"></a>
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An annotation plugin for Chart.js >= 4.0.0
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---
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> This plugin needs to be registered. It does not function as inline plugin.
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---
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For Chart.js 3.7.0 to 3.9.1 support, use [version 2.2.1 of this plugin](https://github.com/chartjs/chartjs-plugin-annotation/releases/tag/v2.2.1)
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For Chart.js 3.0.0 to 3.6.2 support, use [version 1.4.0 of this plugin](https://github.com/chartjs/chartjs-plugin-annotation/releases/tag/v1.4.0)
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For Chart.js 2.4.0 to 2.9.x support, use [version 0.5.7 of this plugin](https://github.com/chartjs/chartjs-plugin-annotation/releases/tag/v0.5.7)
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This plugin draws lines, boxes, points, labels, polygons and ellipses on the chart area.
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Annotations work with line, bar, scatter and bubble charts that use linear, logarithmic, time, or category scales.
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Furthermore you can use a doughnut label annotation which can be used to add contents (text, image, canvas) in the middle area of the doughnut charts.
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[View this example](https://www.chartjs.org/chartjs-plugin-annotation/latest/samples/intro.html)
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## Documentation
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You can find documentation for chartjs-plugin-annotation at [www.chartjs.org/chartjs-plugin-annotation](https://www.chartjs.org/chartjs-plugin-annotation/index).
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## Contributing
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Before submitting an issue or a pull request to the project, please take a moment to look over the [contributing guidelines](CONTRIBUTING.md) first.
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## License
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Chart.Annotation.js is available under the [MIT license](LICENSE.md).
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