Since the MixitUp released a new version of their plugin MixitUp3 I started a new series of the tutorials. Please, check up a new tutorial on http://mixitup-webflow-tutorial.webflow.io________________________________________________________________
Here is step-by-step tutorial how to use jQuery filtering plugins with Webflow.
For look it “from inside” go here https://webflow.com/website/Isotope-and-MixItUp-with-Webflow
Site has not only examples, but text of tutorials.
Thanks to @Mogeek, who made it first and helped me find out, that all custom jQuery code should be added in the Footer part.
Use your mind and Webflow for rule the world
For use with CMS, see new tutorial (link found in last post of this thread).