mathjax.js 解析html中的数学公式
用mathjax.js 可以轻松解析html中的数学公式，数学公式用$$符号包围。详见官方文档 [url]http://docs.mathjax.org/en/latest/start.html[/url]。测试代码：[code]<html>
<head>
<script type="text/x-mathjax-config">
MathJax.Hub.Config({tex2jax: {inlineMath: [['$','$'], ['\\(','\\)']]}});
</script>
<script type="text/javascript" async
src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_CHTML">
</script>
</head>
<body>
<h1>DEMO</h1>
If
$$a \ne 0$$
there are two solutions to \(ax^2 + bx + c = 0\) and they are
$$x = {-b \pm \sqrt{b^2-4ac} \over 2a}.$$
</body>
</html>[/code]
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