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MathJax is slow in IE8 under standards mode. Can I fix this?

April 26, 2017Fix ie8 mathjax mode slow Standards

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MathJax is slow in IE8 under standards mode. Can I fix this?

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This is an Internet Explorer problem, not a MathJax one. IE8 in “standards” mode is an order of magnitude slower than other versions of IE, including IE8 in IE7 emulation mode. This suggests that IE8 standards mode is doing something very time-consuming that the other modes aren’t, like reflowing the entire page every time an element is added to it. Since MathJax adds a lot of elements in order to typeset the mathematics, it runs slowly in IE8 when the “standards” mode has been triggered. Luckily, there is a way to force IE8 out of “standards” mode. Just put the following code into the document’s block.