markdown-it-mathjax3 v4.3.2
markdown-it-mathjax3
Add Math to your Markdown
This is a fork of markdown-it-katex to support MathJax v3 and SVG rendering.
Quick Start
Install markdown-it and this plugin
npm install markdown-it markdown-it-mathjax3
Use it in your code
var md = require('markdown-it')(), mathjax3 = require('markdown-it-mathjax3'); md.use(mathjax3); // double backslash is required for javascript strings, but not html input var result = md.render('# Math Rulez! \n $\\sqrt{3x-1}+(1+x)^2$');
Customization
This plugin accepts the MathJax configuration.
Instead of <script>window.MathJax = { tex: ..., svg: ...}</script>
,
pass it like md.use(mathjax3, { tex: ..., svg: ... })
.
FAQ
- How to attach equation tags?
-- Pass the options like
md.use(mathjax3, { tex: {tags: 'ams'} })
Examples
Inline
Surround your LaTeX with a single $
on each side for inline rendering.
$\sqrt{3x-1}+(1+x)^2$
Block
Use two ($$
) for block rendering. This mode uses bigger symbols and centers
the result.
$$\begin{array}{c}
\nabla \times \vec{\mathbf{B}} -\, \frac1c\, \frac{\partial\vec{\mathbf{E}}}{\partial t} &
= \frac{4\pi}{c}\vec{\mathbf{j}} \nabla \cdot \vec{\mathbf{E}} & = 4 \pi \rho \\
\nabla \times \vec{\mathbf{E}}\, +\, \frac1c\, \frac{\partial\vec{\mathbf{B}}}{\partial t} & = \vec{\mathbf{0}} \\
\nabla \cdot \vec{\mathbf{B}} & = 0
\end{array}$$
Syntax
Math parsing in markdown is designed to agree with the conventions set by pandoc:
Anything between two $ characters will be treated as TeX math. The opening $ must
have a non-space character immediately to its right, while the closing $ must
have a non-space character immediately to its left, and must not be followed
immediately by a digit. Thus, $20,000 and $30,000 won’t parse as math. If for some
reason you need to enclose text in literal $ characters, backslash-escape them and
they won’t be treated as math delimiters.
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