How can I hide any infowindows on zoomend in CartoDB?

[المشرف العام]

Here's my fiddle.http://jsfiddle.net/zippyferguson/z5xynh9f/2/

If you click on a point, an infowindow will appear. I want any infowindow to disappear on zoomend.

Why doesn't this work in the map.EachLayer iteration?

layer.layers[0].sub.infowindow.set('visibility', false);

Was going by this...http://bl.ocks.org/xavijam/7283a403afb6a54eda9a

Thanks!



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