Snap testing object element

var s = Snap("#svgout"); 

var tux = Snap("#tux");
var tuxContent = tux.node.contentDocument;

var sTux = Snap( tuxContent.firstChild );
var tuxPaths = sTux.selectAll('path');

tuxPaths.forEach( function( el ) { el.attr({ opacity: 0.2 }) });

   
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