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.. _jsMathsupport:
*********************************
Converting to MathJax from jsMath
*********************************
MathJax is the successor to the popular `jsMath
<http://www.math.union.edu/locate/jsMath/>`_ package for rendering
mathematics in web pages. Like jsMath, MathJax works by locating and
processing the mathematics within the webpage once it has been loaded
in the browser by a user viewing your web pages. If you are using
jsMath with its ``tex2math`` preprocessor, then switching to MathJax
should be easy, and is simply a matter of configuring MathJax
appropriately. See the section on :ref:`Loading and Configuring MathJax
<loading>` for details.
On the other hand, if you are using jsMath's ``<span
class="math">...</span>`` and ``<div class="math">...</div>`` tags to
mark the mathematics in your document, then you should use MathJax's
``jsMath2jax`` preprocessor when you switch to MathJax. To do this,
include ``"jsMath2jax.js"`` in the `extensions` array of your
configuration, with the `jax` array set to include ``"input/TeX"``. For
example,
.. codeblock:: html
<script type="text/xmathjaxconfig">
MathJax.Hub.Config({
extensions: ["jsMath2jax.js"]
});
</script>
<script
src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeXAMS_HTML">
</script>
would load the ``jsMath2jax`` preprocessor, along with a configuration
file that processes TeX input and produces HTMLwithCSS output.
There are a few configuration options for ``jsMath2jax``, which you
can find in the ``config/default.js`` file, or in the :ref:`jsMath
configuration options <configurejsMath2jax>` section.
If you are generating your jsMath documents programmatically, it would be
better to convert from generating the jsMath ``<span>`` and ``<div>`` tags
to producing the corresponding MathJax ``<script>`` tags. You would use
``<script type="math/tex">`` in place of ``<span class="math">`` and
``<script type="math/tex; mode=display">`` in place of ``<div
class="math">``. See the section on :ref:`How mathematics is stored in the
page <mathjaxscripttags>` for more details.
