# [<img src="https://katex.org/img/katex-logo-black.svg" width="130" alt="KaTeX">](https://katex.org/)
[](https://www.npmjs.com/package/katex)
[](https://github.com/semantic-release/semantic-release)
[](https://github.com/KaTeX/KaTeX/actions?query=workflow%3ACI)
[](https://codecov.io/gh/KaTeX/KaTeX)
[](https://github.com/KaTeX/KaTeX/discussions)
[](https://www.jsdelivr.com/package/npm/katex)
[](https://gitpod.io/#https://github.com/KaTeX/KaTeX)
[](https://opencollective.com/katex)
KaTeX is a fast, easy-to-use JavaScript library for TeX math rendering on the web.
* **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.
KaTeX is compatible with all major browsers, including Chrome, Safari, Firefox, Opera, Edge, and IE 11.
KaTeX supports much (but not all) of LaTeX and many LaTeX packages. See the [list of supported functions](https://katex.org/docs/supported.html).
Try out KaTeX [on the demo page](https://katex.org/#demo)!
## Getting started
### Starter template
```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/katex@0.16.7/dist/katex.min.css" integrity="sha384-3UiQGuEI4TTMaFmGIZumfRPtfKQ3trwQE2JgosJxCnGmQpL/lJdjpcHkaaFwHlcI" crossorigin="anonymous">
<!-- The loading of KaTeX is deferred to speed up page rendering -->
<script defer src="https://cdn.jsdelivr.net/npm/katex@0.16.7/dist/katex.min.js" integrity="sha384-G0zcxDFp5LWZtDuRMnBkk3EphCK1lhEf4UEyEM693ka574TZGwo4IWwS6QLzM/2t" crossorigin="anonymous"></script>
<!-- To automatically render math in text elements, include the auto-render extension: -->
<script defer src="https://cdn.jsdelivr.net/npm/katex@0.16.7/dist/contrib/auto-render.min.js" integrity="sha384-+VBxd3r6XgURycqtZ117nYw44OOcIax56Z4dCRWbxyPt0Koah1uHoK0o4+/RRE05" crossorigin="anonymous"
onload="renderMathInElement(document.body);"></script>
</head>
...
</html>
```
You can also [download KaTeX](https://github.com/KaTeX/KaTeX/releases) and host it yourself.
For details on how to configure auto-render extension, refer to [the documentation](https://katex.org/docs/autorender.html).
### API
Call `katex.render` to render a TeX expression directly into a DOM element.
For example:
```js
katex.render("c = \\pm\\sqrt{a^2 + b^2}", element, {
throwOnError: false
});
```
Call `katex.renderToString` to generate an HTML string of the rendered math,
e.g., for server-side rendering. For example:
```js
var html = katex.renderToString("c = \\pm\\sqrt{a^2 + b^2}", {
throwOnError: false
});
// '<span class="katex">...</span>'
```
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.
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).
## Demo and Documentation
Learn more about using KaTeX [on the website](https://katex.org)!
## Contributors
### Code Contributors
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>
### Financial Contributors
Become a financial contributor and help us sustain our community.
#### Individuals
<a href="https://opencollective.com/katex"><img src="https://opencollective.com/katex/individuals.svg?width=890" alt="Contribute on Open Collective"></a>
#### Organizations
Support this project with your organization. Your logo will show up here with a link to your website.
<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>
## License
KaTeX is licensed under the [MIT License](https://opensource.org/licenses/MIT).
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icon.css 70KB main.css 63KB base.css 58KB katex.css 26KB quill.bubble.css 25KB quill.snow.css 24KB katex.min.css 23KB wu-ui.css 9KB quill.core.css 9KB editStyle.css 8KB cropper.min.css 4KB reset.css 3KB nord.min.css 3KB animation.css 3KB style.css 3KB index.css 2KB grayscale.min.css 2KB papercolor-dark.min.css 1KB snazzy.min.css 1KB papercolor-light.min.css 1KB dracula.min.css 1KB rebecca.min.css 1KB gruvbox-light-medium.min.css 1KB gruvbox-dark-medium.min.css 1KB circus.min.css 1KB gruvbox-light-hard.min.css 1KB gruvbox-light-soft.min.css 1KB gruvbox-dark-hard.min.css 1KB gruvbox-dark-soft.min.css 1KB gruvbox-dark-pale.min.css 1KB synth-midnight-terminal-light.min.css 1KB nova.min.css 1KB synth-midnight-terminal-dark.min.css 1KB spacemacs.min.css 1KB espresso.min.css 1KB atelier-sulphurpool-light.min.css 1KB night-owl.min.css 1KB atelier-lakeside-light.min.css 1KB oceanicnext.min.css 1KB atelier-savanna-light.min.css 1KB atelier-seaside-light.min.css 1KB atelier-estuary-light.min.css 1KB atelier-plateau-light.min.css 1KB outrun-dark.min.css 1KB atelier-forest-light.min.css 1KB atelier-sulphurpool.min.css 1KB atelier-dune-light.min.css 1KB horizon-light.min.css 1KB atelier-cave-light.min.css 1KB windows-95-light.min.css 1KB horizon-dark.min.css 1KB solar-flare-light.min.css 1KB harmonic16-light.min.css 1KB nnfx-light.min.css 1KB atelier-heath-light.min.css 1KB harmonic16-dark.min.css 1KB grayscale-light.min.css 1KB solarized-light.min.css 1KB brush-trees-dark.min.css 1KB atelier-lakeside.min.css 1KB dark-violet.min.css 1KB nnfx-dark.min.css 1KB atelier-estuary.min.css 1KB atelier-plateau.min.css 1KB windows-10-light.min.css 1KB grayscale-dark.min.css 1KB solarized-dark.min.css 1KB atelier-savanna.min.css 1KB atelier-seaside.min.css 1KB silk-light.min.css 1KB one-light.min.css 1KB atelier-forest.min.css 1KB porple.min.css 1KB windows-high-contrast-light.min.css 1KB windows-high-contrast.min.css 1KB tender.min.css 1KB summerfruit-dark.min.css 1KB silk-dark.min.css 1KB xcode-dusk.min.css 1KB atelier-cave.min.css 1KB danqing.min.css 1KB atelier-dune.min.css 1KB marrakesh.min.css 1KB solar-flare.min.css 1KB brush-trees.min.css 1KB brogrammer.min.css 1KB atelier-heath.min.css 1KB nebula.min.css 1KB pasque.min.css 1KB darkmoss.min.css 1KB darktooth.min.css 1KB default-light.min.css 1KB default-dark.min.css 1KB windows-95.min.css 1KB summerfruit-light.min.css 1KB brewer.min.css 1KB gigavolt.min.css 1KB onedark.min.css 1KB embers.min.css 1KB apathy.min.css 1KB共 1193 条
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