A bit of a delay in rendering HTML-CSS in v2.5

[Christian Perfect]

I have a widget which takes a (might as well be TeX) expression from a text input field and uses MathJax to render it underneath, updating on each keypress.

With MathJax 2.4, the rendered version appears to update immediately, without the greyed-out placeholder element.

In 2.5, of course the first thing I did was to turn off the CommonHTML preview by setting `"CHTML-preview": {disabled:true}` in my config, but now the greyed-out placeholder shows up each time the rendering is typeset, appearing for a fraction of a second.

I've tried changing my config so the CommonHTML output and CHTML-preview extension don't even get loaded, but that doesn't change anything.

Have I missed a new setting or an important change in the rendering pipeline in v2.5? Can I get back to the old behaviour?

I've made a demo at https://www.staff.ncl.ac.uk/christian.perfect/mathjax-blink/

cp

[Peter Krautzberger]

Hi Christian,

Did you see https://github.com/mathjax/MathJax/issues/1007?

Peter.

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[Peter Krautzberger]

 PS: In particular, have you tried 

<script type="text/x-mathjax-config">
MathJax.Hub.processSectionDelay = 0;
</script>

[Christian Perfect]

No I didn't, and that fixes it! Thanks!

[Peter Krautzberger]

No problem.

[Daniel Thies]

Thank I had a similar problem, but accidentally posted it of mathjax-dev.  This seems to solve my problem as well.

Thanks Peter and Christian

[Peter Krautzberger]

Ah -- I just thought about that. Double post :-)

Best,

Peter.

PS: MathJax-dev was perfectly ok for the question.