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mhchem 3.3.0 won't work in some legacy browsers #10

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drify opened this Issue Feb 1, 2019 · 0 comments

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drify commented Feb 1, 2019

https://github.com/mhchem/MathJax-mhchem/blob/master/unpacked/mhchem.js#L200

if (Array.isArray(b)) ...

Array.isArray was added in ES5 and some of the oldest browsers won't support it (See the compatibility table). This might be important as one of MathJax's features is legacy browser support. Polyfill it and all goes well. (Tested on IE8)

See also mathjax/MathJax#2110

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