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<h1><a href="https://katex.org/"> | ||
<picture> | ||
<source media="(prefers-color-scheme: dark)" srcset="https://katex.org/img/katex-logo.svg"> | ||
<img alt="KaTeX" width=130 src="https://katex.org/img/katex-logo-black.svg"> | ||
</picture> | ||
</a></h1> | ||
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[![npm](https://img.shields.io/npm/v/katex.svg)](https://www.npmjs.com/package/katex) | ||
[![semantic-release](https://img.shields.io/badge/%20%20%F0%9F%93%A6%F0%9F%9A%80-semantic--release-e10079.svg)](https://github.com/semantic-release/semantic-release) | ||
[![CI](https://github.com/KaTeX/KaTeX/workflows/CI/badge.svg?branch=main&event=push)](https://github.com/KaTeX/KaTeX/actions?query=workflow%3ACI) | ||
[![codecov](https://codecov.io/gh/KaTeX/KaTeX/branch/main/graph/badge.svg)](https://codecov.io/gh/KaTeX/KaTeX) | ||
[![Discussions](https://img.shields.io/badge/Discussions-join-brightgreen)](https://github.com/KaTeX/KaTeX/discussions) | ||
[![jsDelivr](https://data.jsdelivr.com/v1/package/npm/katex/badge?style=rounded)](https://www.jsdelivr.com/package/npm/katex) | ||
![katex.min.js size](https://img.badgesize.io/https://unpkg.com/katex/dist/katex.min.js?compression=gzip) | ||
[![Gitpod ready-to-code](https://img.shields.io/badge/Gitpod-ready--to--code-blue?logo=gitpod)](https://gitpod.io/#https://github.com/KaTeX/KaTeX) | ||
[![Financial Contributors on Open Collective](https://opencollective.com/katex/all/badge.svg?label=financial+contributors)](https://opencollective.com/katex) | ||
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KaTeX is a fast, easy-to-use JavaScript library for TeX math rendering on the web. | ||
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* **Fast:** KaTeX renders its math synchronously and doesn't need to reflow the page. See how it compares to a competitor in [this speed test](https://www.intmath.com/cg5/katex-mathjax-comparison.php). | ||
* **Print quality:** KaTeX's layout is based on Donald Knuth's TeX, the gold standard for math typesetting. | ||
* **Self contained:** KaTeX has no dependencies and can easily be bundled with your website resources. | ||
* **Server side rendering:** KaTeX produces the same output regardless of browser or environment, so you can pre-render expressions using Node.js and send them as plain HTML. | ||
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KaTeX is compatible with all major browsers, including Chrome, Safari, Firefox, Opera, Edge, and IE 11. | ||
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KaTeX supports much (but not all) of LaTeX and many LaTeX packages. See the [list of supported functions](https://katex.org/docs/supported.html). | ||
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Try out KaTeX [on the demo page](https://katex.org/#demo)! | ||
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## Getting started | ||
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### Starter template | ||
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```html | ||
<!DOCTYPE html> | ||
<!-- KaTeX requires the use of the HTML5 doctype. Without it, KaTeX may not render properly --> | ||
<html> | ||
<head> | ||
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/dist/katex.min.css" integrity="sha384-GvrOXuhMATgEsSwCs4smul74iXGOixntILdUW9XmUC6+HX0sLNAK3q71HotJqlAn" crossorigin="anonymous"> | ||
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<!-- The loading of KaTeX is deferred to speed up page rendering --> | ||
<script defer src="https://cdn.jsdelivr.net/npm/[email protected]/dist/katex.min.js" integrity="sha384-cpW21h6RZv/phavutF+AuVYrr+dA8xD9zs6FwLpaCct6O9ctzYFfFr4dgmgccOTx" crossorigin="anonymous"></script> | ||
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<!-- To automatically render math in text elements, include the auto-render extension: --> | ||
<script defer src="https://cdn.jsdelivr.net/npm/[email protected]/dist/contrib/auto-render.min.js" integrity="sha384-+VBxd3r6XgURycqtZ117nYw44OOcIax56Z4dCRWbxyPt0Koah1uHoK0o4+/RRE05" crossorigin="anonymous" | ||
onload="renderMathInElement(document.body);"></script> | ||
</head> | ||
... | ||
</html> | ||
``` | ||
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You can also [download KaTeX](https://github.com/KaTeX/KaTeX/releases) and host it yourself. | ||
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For details on how to configure auto-render extension, refer to [the documentation](https://katex.org/docs/autorender.html). | ||
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### API | ||
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Call `katex.render` to render a TeX expression directly into a DOM element. | ||
For example: | ||
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```js | ||
katex.render("c = \\pm\\sqrt{a^2 + b^2}", element, { | ||
throwOnError: false | ||
}); | ||
``` | ||
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Call `katex.renderToString` to generate an HTML string of the rendered math, | ||
e.g., for server-side rendering. For example: | ||
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```js | ||
var html = katex.renderToString("c = \\pm\\sqrt{a^2 + b^2}", { | ||
throwOnError: false | ||
}); | ||
// '<span class="katex">...</span>' | ||
``` | ||
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Make sure to include the CSS and font files in both cases. | ||
If you are doing all rendering on the server, there is no need to include the | ||
JavaScript on the client. | ||
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The examples above use the `throwOnError: false` option, which renders invalid | ||
inputs as the TeX source code in red (by default), with the error message as | ||
hover text. For other available options, see the | ||
[API documentation](https://katex.org/docs/api.html), | ||
[options documentation](https://katex.org/docs/options.html), and | ||
[handling errors documentation](https://katex.org/docs/error.html). | ||
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## Demo and Documentation | ||
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Learn more about using KaTeX [on the website](https://katex.org)! | ||
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## Contributors | ||
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### Code Contributors | ||
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This project exists thanks to all the people who contribute code. If you'd like to help, see [our guide to contributing code](CONTRIBUTING.md). | ||
<a href="https://github.com/KaTeX/KaTeX/graphs/contributors"><img src="https://contributors-svg.opencollective.com/katex/contributors.svg?width=890&button=false" alt="Code contributors" /></a> | ||
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### Financial Contributors | ||
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Become a financial contributor and help us sustain our community. | ||
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#### Individuals | ||
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<a href="https://opencollective.com/katex"><img src="https://opencollective.com/katex/individuals.svg?width=890" alt="Contribute on Open Collective"></a> | ||
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#### Organizations | ||
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Support this project with your organization. Your logo will show up here with a link to your website. | ||
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<a href="https://opencollective.com/katex/organization/0/website"><img src="https://opencollective.com/katex/organization/0/avatar.svg" alt="Organization 1"></a> | ||
<a href="https://opencollective.com/katex/organization/1/website"><img src="https://opencollective.com/katex/organization/1/avatar.svg" alt="Organization 2"></a> | ||
<a href="https://opencollective.com/katex/organization/2/website"><img src="https://opencollective.com/katex/organization/2/avatar.svg" alt="Organization 3"></a> | ||
<a href="https://opencollective.com/katex/organization/3/website"><img src="https://opencollective.com/katex/organization/3/avatar.svg" alt="Organization 4"></a> | ||
<a href="https://opencollective.com/katex/organization/4/website"><img src="https://opencollective.com/katex/organization/4/avatar.svg" alt="Organization 5"></a> | ||
<a href="https://opencollective.com/katex/organization/5/website"><img src="https://opencollective.com/katex/organization/5/avatar.svg" alt="Organization 6"></a> | ||
<a href="https://opencollective.com/katex/organization/6/website"><img src="https://opencollective.com/katex/organization/6/avatar.svg" alt="Organization 7"></a> | ||
<a href="https://opencollective.com/katex/organization/7/website"><img src="https://opencollective.com/katex/organization/7/avatar.svg" alt="Organization 8"></a> | ||
<a href="https://opencollective.com/katex/organization/8/website"><img src="https://opencollective.com/katex/organization/8/avatar.svg" alt="Organization 9"></a> | ||
<a href="https://opencollective.com/katex/organization/9/website"><img src="https://opencollective.com/katex/organization/9/avatar.svg" alt="Organization 10"></a> | ||
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## License | ||
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KaTeX is licensed under the [MIT License](https://opensource.org/licenses/MIT). |
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