npm package discovery and stats viewer.

Discover Tips

  • General search

    [free text search, go nuts!]

  • Package details

    pkg:[package-name]

  • User packages

    @[username]

Sponsor

Optimize Toolset

I’ve always been into building performant and accessible sites, but lately I’ve been taking it extremely seriously. So much so that I’ve been building a tool to help me optimize and monitor the sites that I build to make sure that I’m making an attempt to offer the best experience to those who visit them. If you’re into performant, accessible and SEO friendly sites, you might like it too! You can check it out at Optimize Toolset.

About

Hi, 👋, I’m Ryan Hefner  and I built this site for me, and you! The goal of this site was to provide an easy way for me to check the stats on my npm packages, both for prioritizing issues and updates, and to give me a little kick in the pants to keep up on stuff.

As I was building it, I realized that I was actually using the tool to build the tool, and figured I might as well put this out there and hopefully others will find it to be a fast and useful way to search and browse npm packages as I have.

If you’re interested in other things I’m working on, follow me on Twitter or check out the open source projects I’ve been publishing on GitHub.

I am also working on a Twitter bot for this site to tweet the most popular, newest, random packages from npm. Please follow that account now and it will start sending out packages soon–ish.

Open Software & Tools

This site wouldn’t be possible without the immense generosity and tireless efforts from the people who make contributions to the world and share their work via open source initiatives. Thank you 🙏

© 2024 – Pkg Stats / Ryan Hefner

@ylemkimon/katex

v0.14.1

Published

Fast math typesetting for the web.

Downloads

3

Readme

npm semantic-release CI codecov Discussions Dependabot Status jsDelivr katex.min.js size Gitpod ready-to-code

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.
  • 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.

Try out KaTeX on the demo page!

Getting started

Starter template

<!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-D35r3PSx4FvknpDXs3HGv0dG0QPSniUX/3dWSbij/TNpFPZ/UV5FUp0akCxzV/lf" crossorigin="anonymous">

    <!-- 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="sha384-65l2SydZNz0oZkyNWcVlCT3EOWI4qqL29ju4LwBoF2U8c7KOuYtq9WCWu5B2fxtM" crossorigin="anonymous"></script>

    <!-- 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-ObMkzvXOSWr/ifL/gkVvBE7XQ0/UZymEDfOPW79N2bCz1E/qyFKueRx1D/v1DG49" crossorigin="anonymous"
        onload="renderMathInElement(document.body);"></script>
  </head>
  ...
</html>

You can also download KaTeX and host it yourself.

For details on how to configure auto-render extension, refer to the documentation.

API

Call katex.render to render a TeX expression directly into a DOM element. For example:

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:

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, options documentation, and handling errors documentation.

Demo and Documentation

Learn more about using KaTeX on the website!

Contributing

See CONTRIBUTING.md

License

KaTeX is licensed under the MIT License.